Question

Luke can paint 97 potrait in 7 weeks
How many potraits can he do in 4 weeks

Answer 1

55 3/7 portraits

Explanation:

We can use a ratio to solve

97 portraits x portraits

----------------- = ------------------

7 weeks 4 weeks

Using cross products

97*4 =7x

388 = 7x

Divide each side by 7

388/7 = 7x/7

55.42857143

55 3/7 portraits