I believe the only true one is B.
Luisa makes 20x for mowing lawns
but she has to spend 4x + 25 for rentals and gas
p(x) = 20x -(4x +25)
p(x) = 20x -4x -25
p(x) = 16x -25
the answer should be
a) p(x) = 16x - 25
The precent of increase is 20%
Answer:
Step-by-step explanation:
Given : length = , width =
Perimeter of rectangle = 2 ( length + width)
Then, Perimeter of given rectangle =
Hence, the correct expression for perimeter =
The question says the machine uses up m gallons of oil each hour on weekends.
This means that if the machine works for 24 hours each day, it implies that:
There are only two days on weekends i.e. Saturday and Sunday.
This means that if the amount of oil used in 1 day in the weekend is 24m, then we can say:
Saturday: oil used is 24m
Sunday: oil used is 24m
Total oil used during the weekend is: