Question

The speed was increased 20% to 48. What was the speed before the increase

Answer 1

38.4

Explanation:

48 - Percentage decrease =

48 - (20% × 48) =

48 - 20% × 48 =

(1 - 20%) × 48 =

(100% - 20%) × 48 =

80% × 48 =

80 ÷ 100 × 48 =

80 × 48 ÷ 100 =

3,840 ÷ 100 =

38.4