Question

An empty rectangular water tank has a flat rectangular base that measures 2 feet by 4 feet, and a height of 5 feet. If 10 cubic feet of water is poured into the tank, about how many feet will the water's surface be above the tank's base?

less than a foot

between 1 and 2 feet

between 2 and 3 feet

between 3 and 4 feet

between 4 and 5 feet

Answer 1

volume of rectangular tank= length* width* height= 2*4*5=40 cubic feet
now volume of water stored in it= 10 cubic feet
so remaining volume= 30 cubic feet
now to find the height of 10 cubic feet
use V= l*w*h
10= 2*4*h
h=10/8

Answer 2

between 1 and 2 feet?

Answer 3

yes