Answer: 720 square feet.
Step-by-step explanation:
Given : Elliott’s backyard is 4800 square feet.
His dad is going to pave 15% of this area to use as a patio.
We can rewrite 15% as 0.15 [To convert percent into decimal we divide it by 100.]
Then , the number of square feet will be paved is given by :-
Hence, the required answer is 720 square feet.