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inn [45]
2 years ago
15

A bookstore is having a sale in which you can get 4 notebooks for $7.00 and 10 folders for $2.50. How much will it cost Rico to

buy 5 notebooks and 6 folders?
Mathematics
1 answer:
Marta_Voda [28]2 years ago
6 0
Find the unit rate :
4 notebooks for 7 bucks.......7/4 = 1.75 per notebook
10 folders for 2.50....2.50/10 = 0.25 per folder

so 5 notebooks = 5(1.75) = 8.75
6 folders = 6(0.25) = 1.50
for a total of : (8.75 + 1.50) = 10.25 <==
You might be interested in
Find the probability for one roll of a number cube.
lozanna [386]

Answer:

for 5 probability is 1/6

for not a five = 1-1/6 = 5/6

Step-by-step explanation:

4 0
2 years ago
PLZZ IN NEED HELP!
boyakko [2]

Answer:

18\pi\ cm^2

Step-by-step explanation:

step 1

Find the area of complete circle

The area of the circle is given by the formula

A=\pi r^{2}

we have

r=9\ cm

substitute

A=\pi (9)^{2}

A=81\pi\ cm^2

step 2

Find the area of the shaded region

we know that

The area of complete circle subtends a central angle of 360 degrees

so

using proportion

Find out the area of the shaded region if the central angle is equal to 80 degrees

\frac{81\pi}{360^o}=\frac{x}{80^o}\\\\x=81\pi(80)/360\\\\x= 18\pi\ cm^2

6 0
2 years ago
in one week, 128 cell phones were sold. The following week 37 more cell phones were sold than the week before. How many cell pho
Pani-rosa [81]

\large\bf{\underline{Given :}}

  • 128 cellphones were sold in a week
  • 37 more cellphones more were sold than the week before

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎\large\bf{⟹128+37=165}

__________________________________________

\large\bf{\underline{Therefore:}}

\bf{Total\: number\:of\: cellphones\:sold\:in\:two\:weeks}

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\large{⟹128 + 165}

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\large{⟹293}

__________________________________________

\large\bf{\underline{Hence}}

  • 293 cellphones were sold in given 2 weeks
6 0
2 years ago
300-297+294-291+288-285+...+6-3
vladimir2022 [97]
300 - 297 = 3

294 - 291 = 3

288 - 285 = 3

So, that is a sequence of sums of number 3: 3 + 3 + 3 + .... + 3

How may times will the number 3 be added?

Note that 300 is reduced in 6 units each time => 300 / 6 = 50 => 3 will be added 50 times.

=> 50 * 3 = 150

Answer: 150
7 0
2 years ago
5 Show different ways to make 492,623.
timama [110]

Step-by-step explanation:

Start by writing 492,623 in standard form

4 hundred thousands + 9 ten thousands + 2 thousands + 6 hundreds + 2 tens + 3 ones

We can write this in other ways by moving a digit to the next smaller place value.  For example, we move the 4 one place to the right to get 49 ten thousands:

49 ten thousands + 2 thousands + 6 hundreds + 2 tens + 3 ones

Then, we can move the 49 ten thousands to the right to get 492 thousands, and we can move 6 hundreds to the right to get 62 tens.

492 thousands + 62 tens + 3 ones

Or, we can do this:

4926 hundreds + 23 ones

6 0
2 years ago
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