Q# 15 find the volume of the sphere

a² + b²= c²

24² + 7² = c²

c= 25

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540