Answer:
its 60-15(pie) sq inches
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given equation:

Divide both sides by 5:

Cube both sides:




Add 4 to both sides:

Divide both sides by 3:

Firstly add 7 to both sides= x/3= 5
Times by 3 on both sides to get x on its own= x= 15