Business Mathematics Quiz 1

1.The water frozen in glaciers makes up 85% of the world's fresh water supply. Write 85% as a decimal.

• 0.85

• 8500

• 8.5

• 0.085

2.Student A completed 0.7 of his homework. What percent of his homework did Student A complete?

• 700%

• 0.7%

• 70%

• 7%

• 3. About 11/25 of the Earth's atmosphere is made up of nitrogen. What percent of the Earth's atmosphere is nitrogen?

• 25.11%

• 11.25%

• 0.444%

• 44%

4.Express each percent as a decimal 63%.

• 6.3

• 0.063

• 63

• 0.63

• 5. Student C spent 4/5 of her allowance on a new backpack. What percent of her allowance did she spend on the backpack?

• 75%

• 54%

• 80%

• 45%

6.Express each decimal as a percent. 0.7

• 7%

• 0.7%

• 700%

• 70%

• 7. Express each decimal as a percent. 0.06

• 60%

• 600%

• 6%

• 0.6%

8.In a survey, 20 students were asked whether they prefer pepperoni pizza or cheese pizza. Nine students said they prefer cheese pizza. What percentage of the students surveyed said they prefer cheese pizza?

• 45%

• 9.20%

• 20.9%

• 0.45%

9.Player A went 7/8 at the plate in last night's baseball game. Convert her batting average for last night's game into a decimal.

• 0.78

• 0.875

• 0.87

• 0.578

10.Student B ate 0.45 of his birthday cake. Convert the amount of cake Student B consumed into a fraction in simplest form.

• 9/20

• 4 and 5/10

• 45/100

• 4 and 1/2