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VladimirAG [237]
4 years ago
7

The Crayola crayon company can make 2400 crayons in 4 minutes. How many crayons can they make in 15 minutes? Solve this problem

by setting up a proportion. Show your work.
Mathematics
1 answer:
densk [106]4 years ago
4 0
So, The Crayola Crayon company can make 2400 crayons in 4 minutes. In other words, every 4 minutes they can make 2400 crayons, right? So, in 15 minutes how many would they have made? Well, what we do is we divide 15 by 4 which is 3.75. Then we multiply the result, 3.75, by 2400. 3.75 * 9000. So, in 15 minutes, Crayola  would have made 900 crayons!

4/2400 = 15/x

Step 1: Cross Multiply

4/2400 = 15/x

4 * x = (15) * (2400)

4x = 36000

Step 2: Divide both sides by 2

4x/4 = 36000/2

x = 9000

The answer is, 9000!!! :D
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hram777 [196]

Answer:

$19575

$20945.25

Step-by-step explanation:

The current price of the car is $43500 but if I wait for 18 months, then it will be 55% cheaper.

So, the after 18 months the price of the car will be 43500(1 - \frac{55}{100}) = 19575 dollars.

If sales tax is 7%, then the total price of the car after waiting for 18 months will be 19575(1 + \frac{7}{100}) = 20945.25 dollars. (Answer)

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4 years ago
Starting with number 0 on my calculator, I do a calculation in five steps. At each step, I either add 1 or multiply by 2. What i
alisha [4.7K]

Answer:

assuming only positive integers, the answer is 1

Step-by-step explanation:

the smallest number that you can get by adding is:

  • start with 0
  • then add 1 = 1
  • add another 1 = 2
  • add another 1 = 3
  • add another 1 = 4
  • add another 1 = 5

but you can also multiply, and anything multiplied by 0 is 0:

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  • multiply by 2 = 0
  • multiply by 2 = 0
  • multiply by 2 = 0
  • multiply by 2 = 0
  • multiply by 2 = 0

The question does not say that we need to do any specific calculation, it only gives us 2 options and we can choose them as many times as we want.

5 0
3 years ago
Using the standard 28/36 guidelines, what is the maximum mortgage payment allowed for someone with an annual salary of $60,750?
Anna11 [10]

\frac{28}{36} rule says that 28 % of your total income should be spent on Housing finances and 36 % of your gross total income should be spend for Debts.

Annual Salary = $ 60,750

Maximum mortgage payment=28% of $ 60,750

=\frac{28}{100} \times 60750=\frac{1701,00}{100}\\\\ =1701

Maximum ,mortgage payment allowed for someone with an annual salary of $60,750= $ 1,701.00→→→Option (C)


7 0
3 years ago
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what is the surface area of a rectangular prisim with a base length of 9 yd, base width of 7 yd,and a height of 4 yd?
krek1111 [17]

Answer:

254 yds²

Step-by-step explanation:

There are 6 faces of the prism we need to calculate the area of for a rectangular prism.

The base and top of the prism measure 9x7 yards each, so there are two faces with an area of 63 yds²                 (9 x 7 = 63)

The sides of the prism measure 4x7 yards each, so there are two faces with an area of 28 yds²    (4 x 7 = 28)

The front and back face of the prism measure 9x4 yards each, so there are two faces with an area of 36 yds²     (9 x 4 = 36)

The total surface area is

2(63) + 2(28) + 2(36) = 254 yds²

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4 years ago
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Find the angle of elevation from the point on the ground 90 feet from the base of a building that is 200 feet tall
DanielleElmas [232]
Look\ at\ the\ picture.\\\\tg\alpha=\frac{200}{90}\\\\tg\alpha=\frac{20}{9}\\\\tg\alpha=2.222...\\\\\alpha\approx66^o

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