A paper published in a medical journal reported that about 11/25 of girls ages 16-17 do not exercise at all. The entire study consisted of about 2, 500 girls. About how many did not exercise?

Answers

Answer 1

Answer: 1,400 girls from 16 to 17 do not exerciseStep one2,500÷25=100Step two100×11=1,100Step three2,500−1,100=1,400

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Ms.stoner purchased a new computer for $1,150 at the Apple Store.if sales tax is 7.5%,what was the total of her purchase?

Answers

There is an additional 7.5% added to her purchase.
$1,150(1)+$1,150(7.5%) = [factor] $1,150(100%+7.5%) = $1,150(107.5%)= $1,150(1.075) =$1236.25

Answer:

Total=$1236.25

Step-by-step explanation:

Question 4Solve.

4(a + 3) = 18 – 2(3 – 2a)

–3

–1

all real numbers

no solution

Question 9

Kersha has two jobs. During the day she works as an office clerk, and in the evening she works as a cashier. Her office job pays her $12.00 per hour. Her cashier job pays her $8.25 per hour. In one week, Kersha worked 55 hours. She earned a total of $585.

How many hours did Kersha work in each job?

Office clerk: 35 hours; cashier: 20 hours

Office clerk: 20 hours; cashier: 35 hours

Office clerk: 31 hours; cashier: 24 hours

Office clerk: 28 hours; cashier: 27 hours

Answers

the answer to #4 is no solution

Which list contains only rational numbers?

Answers

I’m thinking the Answer is A

Notebooks cost $1.20 each. This weekend they will be on sale for $0.80. What percentage is the sale?

Answers

The percentage will be 33%.
1.2 - .8=.4
1.2/.4=.33

Answer:

67%

Step-by-step explanation:

What is greater , 42,000 mg or 24 g?

Answers

mg=miligrams=1/1000 gram
so conversion factor is
1g/1000mg
mulriply 42,000mg by 1g/1000mg
units cancel and you are left with
42g
42 g and 24 g
42 is greater than 24g so

42,000 mg is greater

42000 mg is greater
Hope this helps! :)

Figure ABCD is reflected across the x-axis.What are the coordinates of A' , B' , C' , and D' ?

Enter your answer in each box.

A' ( , )
B' ( , )
C ( , )
D ( , )