29580 + 3440 = 33020. The is about 33,000mi. The answer is d.
Y=2(4)+4
=12 gallons in the tank so far
50-12
=38 gallons to fill
The question is worded incorrectly. It should say the DENSITY of water is 62 1/2 lbs per cubic foot. Divide the weight by the density to get volume.
(150 lbs) / (62.5 lbs/ft3) = ? ft3 (the two 3's are exponents. so it'd be ft then an exponent of 3.)
