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
nlexa [21]
2 years ago
12

Mrs. Hernandez bought 18 pens for her class. Highlighters cost $3 each, and gel pens cost$2.50 each. She spent a total of $50. W

rite and graph a system of equations to find the number of highlighters and gel pens Mrs. Hernandez bought.
Mathematics
1 answer:
scoray [572]2 years ago
8 0
18*2.50=45
50-45=5
highlighters cost $3 so she only bought 1 highlighter.
5-3=2
45+3=48
(18*2.50)+(1*3)=$48
(The last 2 dollars are probably tax)
You might be interested in
A store makes a profit of $18 on a blanket after a markup of 30%. What is the selling price of the blanket?
Sidana [21]
$23.40 because 18•0.3=5.4 and 18+5.4=23.4.
6 0
2 years ago
Read 2 more answers
What percent of 2b is: 0.04b; 0.2b; 0.56b; 1.8b; 2.5b; 3b; By what percent are they each larger or smaller than 2b
Leviafan [203]
.04b is 2% of 2b because .04 multiplied by 100 is 4 then you divide by 2 which gets you 2.
.04/2=x/100
cross multiply and divide
it is 98% smaller than 2b.

.2b is 10% of 2b because .2 multiplied by 100 is 20 then you divide by 2 and get 10.
.2/2=x/100
it is 90% smaller than 2b.

.56b is 28% of 2b because .56 multiplied by 100 is 56 then divide by 2 and you get 28.
.56/2=x/100
it is 72% smaller than 2b.

1.8b is 90% of 2b because 1.8 multiplied by 100 is 180 then divide it by 2. you get 90.
1.8/2=x/100
it is 10% smaller than 2b.

2.5b is 125% of 2b because 2.5 multiplied by 100 Is 250 and 250 divided by 2 is 125.
2.5/2=x/100
it is 25% larger than 2b

3b is 150% of 2b because 3 multiplied by 100 is 300 and 300 divided by 2 is 150.
3/2=x/100
it is 50% larger than 2b

7 0
2 years ago
Read 2 more answers
Think about all of the ways in which a circle and a parabola can intersect. Select all of the number of ways in which a circle a
forsale [732]

Answer:

A circle can intersect a parabola in

1. One point [ when circle just touches the parabola]

2. Two points [ When circle cuts the parabola in two distinct points. ]

3. Three points [Circle just touches at one point and cuts the parabola in two distinct points]

4. Four points [ Either parabola or circle meeting each other or crossing at four distinct points]




4 0
2 years ago
Read 2 more answers
Charlene and Gary want to make trail mix. In order to get the right balance of ingredients for their tastes they bought 3 pounds
AfilCa [17]

Answer:

$2.96

Step-by-step explanation:

3x$2.67=$8.01

3x$2.73=$8.19

5x$3.27=$16.35

$8.01+$8.19+$16.35=$32.55

This makes 11 pounds of trail mix.

$32.55 divided by 11 = $2.9590909 = $2.96

7 0
2 years ago
If a set xy-axes has 20 grid units in each direction and the greatest value of the data to be placed on the horizontal axis is 1
Alborosie
Use 7 scale point.
132/20 = 6.6
to its better to use more than 6.6 scale. to make it easier use 7, so to avoid decimals

 
4 0
1 year ago
Other questions:
  • What is 1345/99 rounded to the nearest integer
    15·2 answers
  • A manufacturer of skis offered chain discounts of 10/5/4 to many of its customers. Joe Jones ordered skis that had a total list
    13·1 answer
  • Mr. Brent uses 1/4 cup of blue paint and 1/4 cup of yellow paint to make each patch of green paint. How many batches of green pa
    6·2 answers
  • If the mean of a symmetric distribution is 170, which of these values could be the median of the distribution?
    12·1 answer
  • A bus drives 3 1/2 hours at an average speed of 56mph how far does the bus drive?
    8·1 answer
  • Using a 16-sided number cube, what is the probability that you will roll a multiple of 4 or an odd prime number? The number 1 is
    8·1 answer
  • Evaluate ∣∣256+y∣∣ for y=74. A. 225 B. 315 C. 345 D. 4712
    9·1 answer
  • The power generated by an electrical circuit (in watts) as a function of its current x xx (in amperes) is modeled by P ( x ) = −
    11·1 answer
  • What two products would you add to find 713​x48
    6·2 answers
  • 1. Janna works at a lab with a huge circular particle accelerator. It has a radius of 4 kilometers. What is the accelerator's di
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!