answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ilia_Sergeevich [38]
1 year ago
8

Thom’s restaurant bill is $45 and he leaves a 20 percent tip. What is the total cost for Thom’s meal?

Mathematics
2 answers:
Allushta [10]1 year ago
6 0

Answer:

$54

Step-by-step explanation:

Studentka2010 [4]1 year ago
5 0

Answer:

$54

Step-by-step explanation:

\frac{x}{45} = \frac{20}{100}

To get x which is the 20% tip

1. 45×20 = 900

2. 900÷100=9

3. 9 is the tip

To get the total cost, you would have to add $9 to $45 which is $54.

You might be interested in
Explain how one whole, one tenth, and one hundredth are related
Oduvanchick [21]
One whole is the whole number. where as one tenth is the first number in the decimal, and one hundredth is the second number in the decimal
8 0
2 years ago
Goodlife charges its members $30 per month for a gym membership. They currently have 75 clients.
Sauron [17]
They should charge $40 per membership, and they will make a maximum revenue of $2400
4 0
1 year ago
A karate center has 120 students. The director wants to set a goal to motivate her instructors to increase student enrollment. U
iVinArrow [24]
A) Plan A requires for a percentage increase of a number of students. This means that year after year the number of new students will increase. Plan B requires for a constant number of new students each year. This means that year after year the percentage increase would get smaller.

B) To solve this problem we will use formula for a growth of population:
final = initial * (1+percentage)^{t}
Where:
final = final number of students
initial = initial number of students
percentage = requested percentage increase
t = number of years

We can insert numbers and solve for t:
240= 120* (1+0.12)^{t}  \\ 2=1.12^{t}   \\ log2=log(1.12^{t} ) \\ log2=t*log1.12 \\ t= \frac{log2}{log1.12}  \\ t=6.12years

For Plan B we can use simple formula
increase = 120
increase per year = 20
number of years = increase / (increase per year) = 120 / 20 = 6 years

Plan B is better to double the <span>enrollment.


C)We use same steps as in B) to solve this.
</span>

360= 120* (1+0.12)^{t} \\ 3=1.12^{t} \\ log3=log(1.12^{t} ) \\ log3=t*log1.12 \\ t= \frac{log3}{log1.12} \\ t=9.69years

For Plan B we can use simple formula
increase = 240
increase per year = 20
number of years = increase / (increase per year) = 240 / 20 = 12 years

Plan A is better to triple the enrollment.
3 0
2 years ago
dr.drazzle collected 70 liters of ocean water to test for antibacterial properties. he split the water into 100 samples . how mu
Annette [7]

Answer:

Each sample contains 0.70 liters of water.

Step-by-step explanation:

Dr Drazzle collected 70 liters of water of ocean water to test and he split the water into 100 samples.

So by unitary method we can calculate the amount of water in each sample.

∵ 100 samples contain the amount of water = 70 liters

∴ 1 sample contains the amount of water = 70/100 = 0.70 liters

So the answer is 0.70 liters in each sample.

8 0
1 year ago
Problem 5 (4+4+4=12) We roll two fair 6-sided dice. Each one of the 36 possible outcomes is assumed to be equally likely. 1) Fin
tekilochka [14]

Answer:

1

p(b) =  \frac{1}{6}

2

p(k) =  \frac{1}{3}

3

P(a) =  \frac{1}{3}

Step-by-step explanation:

Generally when two fair 6-sided dice is rolled the doubles are

(1 1) , ( 2 2) , (3 3) , (4 4) , ( 5 5 ), (6 6)

The total outcome of doubles is N = 6

The total outcome of the rolling the two fair 6-sided dice is

n = 36

Generally the probability that doubles (i.e., having an equal number on the two dice) were rolled is mathematically evaluated as

p(b) =  \frac{N}{n}

p(b) =  \frac{6}{36}

p(b) =  \frac{1}{6}

Generally when two fair 6-sided dice is rolled the outcome whose sum is 4 or less is

(1, 1), (1, 2), (1, 3), (2, 1), (2, 2), (3, 1)

Looking at this outcome we see that there are two doubles present

So

The conditional probability that doubles were rolled is mathematically represented as

p(k) =  \frac{2}{6}

p(k) =  \frac{1}{3}

Generally when two fair 6-sided dice is rolled the number of outcomes that would land on different numbers is L = 30

And the number of outcomes that at least one die is a 1 is W = 10

So

The conditional probability that at least one die is a 1 is mathematically represented as

P(a) =  \frac{W}{L}

=> P(a) =  \frac{10}{30}

=> P(a) =  \frac{1}{3}

3 0
1 year ago
Other questions:
  • Janice needs to re-shingle the roof of her house. One bundle of shingles costs $35.99 and covers 2.25 m2.
    7·1 answer
  • A taxi charges a flat rate of $3.00, plus an additional $0.50 per mile. Carl will only take the taxi home if the cost is under $
    6·2 answers
  • Emily is observing the velocity of a cyclist at different times. After four hours, the velocity of the cyclist is 14 km/h. After
    13·1 answer
  • Dave is driving to Gilmore to visit his friend. If he wants to stop for lunch when he is about halfway there, in which town shou
    15·2 answers
  • As a smart consumer, you are always on the lookout for sales, coupons, and rebates. While shopping for new clothes, you notice t
    14·1 answer
  • A researcher plans to conduct a research study comparing two treatment conditions with a total of 20 scores in each treatment. W
    14·1 answer
  • The head librarian at the Library of Congress has asked her assistant for an interval estimate of the mean number of books check
    11·1 answer
  • 21. A college professor recorded the speed with which students ran out the door after class after taking the final exam (using a
    7·1 answer
  • What would be Kelly’s weight be in newtons if her mass is 70 kilograms?
    7·1 answer
  • 5.Divide: 15u20-------3u5 not a minus by the way​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!