Answer:
25
Step-by-step explanation:
When calculating a percentage of a number always multiply it by the percentage divided by 100. In this case that would be 0.05, 500*0.05=25
7 hours
7.5
= 0.5477225575
Multiply it by 5
= 2.738612788
Square it
Hope this helped. :)
3
2/3(x-6)=6
x-6=6(3/2)
x-6=9
x=9+6=15