Question

It takes emma 22 minutes to type and spell check 10 pages of a manuscript. Find how long it takes her to type and spell check 75 pages. Round to the nearest whole number if necessary.
a. 165 min.

Answer 1

165 min.

Using direct proportion

10 pages → 22 min

75 pages → 22 × $\frac{75}{10}$ = 165 min