Question

In a recent survey 38% of the people in the U.S. say that gas prices have affected the type of vehicle they will buy. In a sample of 400 people who are in the market for a new vehicle, how many would you expect to be influenced by gas prices?

Answer 1

400 * 0.38

Answer 2

Thank you! What about this one?
40% of 60.2 is what number?

Answer 3

Set up a proportion: 40/100=x/60.2
Cross multiply and solve for x.

Answer 4

Thanks, and this one?
In order to pass an exam, a student must pass an 80-question exam with a score of 70% or better. What is the minimum number of questions the student must answer correctly

Answer 5

80 * 0.70

Answer 6

Is there a more simple way to do the other one? I can't figure it out.

Answer 7

The proportion?

Answer 8

No, the one above it.

Answer 9

Do you have a calculator?

Answer 10

Yes,

Answer 11

Just multiply 400 by 0.38. What do you get?

Answer 12

Ah okay, what about 40% of 60.2 is what number?

Answer 13

Same thing. Take 60.2 and multiply by 0.40.

Answer 14

Would this 0.0088 converted to a percent be 0.88% ?

Answer 15

Yes.

Answer 16

350 is what percent of 5000?

Answer 17

350/5000 times 100

Answer 18

In a certain country, seniors comprised 4.5 million hospital stays. If this represents 12% of all the hospital stays in the region, what was the total number of hospital stays?

Answer 19

4,500,000/0.12

Answer 20

A television station plays commercials for 24% of its air time. In 60 minutes, how many minutes of commercials would be expected?

Answer 21

60 times 0.24

Answer 22

The sales tax rate is 7.5%. Compute the amount of tax on a watch that sells for $54? Is $4.05 the answer?

Answer 23

Yes.

Answer 24

A real estate agent makes an annual salary of $30,000 plus a 4% commission on sales. If the realtor's salary is $84,000, how much did he make in sales?