Question

Janet can shovel snow from her driveway in 65 minutes. Jim can do the same job

in 35 minutes. How long would it take Janet and Jim to shovel the driveway if they
worked together?

Answer 1

about 23 minutes

Explanation:

(65x35)/(65+35)= 2,275/100= 22.75 minutes (or 23 if rounded)