Question

three gardeners 90 minutes to weed a garden . if the job is done in only 15 minutes how many gardeners put on the job

Answer 1

HEY

Here is your answer,

each gardener takes 3 x 90 = 270 minutes to do the job alone.  

So, since 15 = 270/18

It will take a total of 18 gardeners.

Hope it helps you...

Answer 2

HEY MATE..

HOPE THIS HELPS YOU