Question

Diane can type 100 letters in 6hrsm with frankie they can complete the job in 4hrs how long would it take frankie alone?

Answer 1

Im getting 100/6+100/x=1/4 as the equation not sure if correct

Answer 2

Got the answer 12, can someone confirm

Answer 3

will it not be100/6+100/x=100/4

Answer 4

12 is correct

Answer 5

Thanks

Answer 6

yw