Question

Charmaine can knit 15 rows in 22 minutes. How many can she knit in 90 minutes?

Answer 1

if rounded 61 rows if not rounded 61.36 repeating 

Answer 2

22 minutes = 15 rows
1 minute = 15 ÷ 22
90 minutes = (15 ÷ 22) × 90
= 61.36 (recurring)
≈ 61 (whole number)