Question

three gardeners take 90 minutes to build a garden if the job has to be done in only 15 minutes how many more gardeners need to be put on the job​

Answer 1

Step-by-step explanation:

No. of gardeners. No. of minutu

3. 90

x. 15

By inverse variation,

x/3 = 90/15

= x = 18

Gardeners required to complete task in 15 minutes is 18

Answer 2

Answer:15

Step-by-step explanation:3 person × 90min = Total work time = 270min

If this work has to be done in 15 min then

270÷15= 18 men required in total we have 3 person already so 15 additional persons required