Question

it take three gardeners 90 minutes to weed a garden. if the job to be done in only 15 minutes , how many more gardeners need to be put on the job ?​

Answer 1

Answer:

42 gardeners

Step-by-step explanation:

90 mins = 3 gardeners

15 mins= 15*3= 45

no. of gardeners more needed= 45-3= 42

So, 42 gardeners are more needed.