Question

about 7.5 gallons of water fill up 1 cubic foot of space. how many gallons of water will fill a goldfish pool shaped like the prism shown

Answer 1

the volume of the goldfish pool is V= 0.5ft x 1.5ft x 3ft=2.25 ft^3
so 7.5gallons ----------> 1 ft^3
x=? <----------- 2.25 ft^3
x= 2.25 x 7.5 / 1= 16.87 gallons
the answer is 16.87 gallons of water