He payed 0.72
First you take 2.88, then you multiply it by 1/4 or a simpler way would be to divide 2.88 by 4. The answer is $0.72
I think you need to add them all up first or do the 90 degree
80% is the answer to ur question
SOS:
Answer:
Take the square root of 36 and subtract 2.
Step-by-step explanation:

<em>Hope this helps!!</em>