Question

Sally skates 2/5 in 1/2 hour. How far does she skate in 2 hours

Answer 1

2/5 : 1/2 = x : 2
1/2x=4/5
x=8/5

Answer 2

Question

Sally skates 2/5 in 1/2 hour. How far does she skate in 2 hours

Answer:

8/5

Explanation:

2/5 in 1/2 hour = 4/5 in 1 hour

4/5 * 2 = 8/5 (your answer)

or

2/5 * 2 * 2 =

8/5