MATH SOLVE

8 months ago

Q:
# It took Jackie two hours to mow the lawn period two weeks later, it took her 1 1/2 hours to mow the lawn. What can be said about the amount of power used by Jackie the second time she mowed the lawn.

Accepted Solution

A:

Answer:The amount of power used by Jackie the second time she mowed the lawn was more Step-by-step explanation:[tex]Power = \frac{Work}{Time}[/tex]Since power is inversely proportional to timeSo, The less time will be taken the more power will be used In first case to complete 1 work Jackie two hours In second case After two weeks to complete 1 work Jackie took [tex]\frac{3}{2} =1.5[/tex] hoursSince in second case it took less hours than the first caseSince less the time more the power used So, the amount of power will be used more in the second case in the second case the time taken was less.Hence the amount of power used by Jackie the second time she mowed the lawn was more