**Q14: **

Last year, Daniel could walk 4 miles in 100 minutes. Today, he can walk 4 miles in 80 minutes. Determine the percent of change and state whether it is an increase or a decrease.

- A , decrease
- B , increase
- C , increase
- D , decrease
- E , increase

**Q15: **

At last year’s half marathon, Mason’s time was 2 hours and 6 minutes. This year, he ran the half marathon in 1 hour and 59 minutes. What percent of his previous time is this? Give your answer correct to one decimal place.

- A
- B
- C
- D
- E

**Q16: **

A company spends of its expenditure on staff. Given that staff expenditure amounts to 13.5 million dollars, calculate the total expenditure of the company in millions of dollars. Give your answer correct to one decimal place if necessary.

- A 10 million dollars
- B 20 million dollars
- C 40 million dollars
- D 30 million dollars
- E50 million dollars

**Q17: **

The table shows the number of hours Emma spent babysitting during the months of April and May. If she charges $6.50 per hour, determine the percent of change in the amount of money earned in that time period and whether it is an increase or a decrease.

Month | April | May |
---|---|---|

Hours Worked | 40 | 50 |

- A , increase
- B , decrease
- C , decrease
- D , increase
- E , increase

**Q18: **

At the start of a sale, Charlotte’s Shoes reduces prices by . After one week, the sale prices are reduced again by .

Victoria’s Footwear reduces its prices by at the start of the sale and then, after a week, reduces the sale prices by .

Compare the overall reduction in the two shops after week one of the sale.

- AVictoria’s Footwear has the bigger overall reduction.
- BCharlotte’s Shoes has the bigger overall reduction.
- CThe overall reduction is the same.

**Q19: **

A salesman earned an annual salary of $34 550. This year, his salary will increase by . Determine the amount of money he will earn by the end of the year.