Question

Sam is an accountant. He finds that he spends two-fifths of his work day answering emails. If he spent 3.6 hours answering emails yesterday, how many hours did he work?

Answer 1

1: 2/5=emails 3.6hrs=emails, 3.6= 2/5 5-2=3 3.6•3=__hours of work

he worked 9 hours

Explanation:

Answer 2

He worked 9 hours

Explanation:

Let w = work day

2/5 w = 3.6

Multiply each side by 5/2

5/2 * 2/5 w = 3.6* 5/2

w = 9

He worked 9 hours