Question

It takes Joan 2 times longer than Jane to file the reports. ​Together, they can file the reports in 8 minutes. How long would it take each woman to file the reports by​ herself?

It takes Jane _ minutes to complete the job.

It takes Joan _ minutes to complete the job.

Answer 1

It takes Jane 2 2/3 minutes

It takes Joan 5 1/3 minutes

Explanation:

let j = time it takes Jane

let 2j = time it take Joan

j + 2j = 8

3j = 8

j = 8/3 or 2/23

2j = 16/3 or 5 1/3