The answer is 2.25 square inches or 7.065 square inches.
grand coulee dam (g) contains 2.5 times as much concrete as the hover dam (h)
Therefore,
g = 2.5 * h
h = 3.5 million
g = 2.5 * 3.5
g = 8.75 million yards of concrete
Answer:
to big but i will slove it for u ok so see solution c one is correct
It takes Andre 1.25 minutes to swim a lap.
