Question

A student completed 1/4 of a workbook in 3/5 hour.He plans to work for 1 more hour at the same rate.What Fraction of the workbook should he expect to complete in 1 hour?

Answer 1

Workbook =x
1/4   3/5
 x    5/5 (1 hour)
then x=(5/5 * 1/4):3/5
x= 5/20 * 5/3 
x=1/4 *5/3
x= 5/12