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katrin [286]
3 years ago
8

14 out of 20 students pack their lunches. what percent of students pack their lunches?

Mathematics
1 answer:
saveliy_v [14]3 years ago
7 0
Think of it as a fraction (14/20). If you multiply 20 by 5, you get 100. Whatever you do to the bottom, you have to do to the top. So 14 x 5 would be 70. The entire fraction would be 70/100 or 70%.
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Rosey knows that she needs a minimum of $1776 each month to pay all of her expenses. If she works 37 hours a week, with 4 weeks
solong [7]

Answer: $12 an hour

Step-by-step explanation:

Rosey works 37 hours a week and 4 weeks in a month.

Total hours are:

= 37 * 4

= 148 hours

In order to at least cover the $1,776 in expenses she incurs every month, Rosey's hourly pay must be:

= expenses / working hours in month

= 1,776 / 148

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8 0
3 years ago
If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?
zzz [600]

Answer:

0.5 %  

Step-by-step explanation:

 Annual rate = 6 %/yr

Monthly rate = ¹/₁₂ × 6 = 0.5 %/mo

If you invested $100 at 6 % annual simple interest, you would have <em>$106 </em>at the end of the year.

Simple interest is calculated only on the principal.

If the interest were calculated at 0.5 % monthly simple interest, you would get $0.50 at the end of each month. At the end of 12 mo, you would have <em>$106. </em>

4 0
3 years ago
Please help me and explain how you got the answer
PSYCHO15rus [73]

Answer:

∠NQP = 74°

Step-by-step explanation:

NPQ is a triangle.

We know the sum of 3 angles of a triangle is 180 degrees. So we can write:

N + P + Q = 180

2x + 34 + 2x + 2 = 180

Now, we can solve for x:

2x + 34 + 2x + 2 = 180\\4x+36=180\\4x=180-36\\4x=144\\x=\frac{144}{4}\\x=36

The measure of NQP is "2x+2", we plug in x = 36, and find the measure of NQP:

∠NQP = 2(36) + 2 = 74°

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