The dimensions of an aquarium are 20 inches long, 14 inches wide, and 18 inches high. If 231 cubic inches of water fill 1 gallon, how many gallons of water are in the aquarium to the nearest gallon?

(20*14*18) * 231 = ANSWER

Round to nearest whole numer.

Done!

almost . . .

volume of tank: 20*14*18 = 5040
volume of 1 gallon: 231

gallons in tank: 5040/231 = 21.8

To find the number of gallons of water in the aquarium, we need to calculate the volume of the aquarium first.

The formula to calculate the volume of a rectangular prism is V = l × w × h, where V is the volume, l is the length, w is the width, and h is the height.

Using the given dimensions:
Length (l) = 20 inches
Width (w) = 14 inches
Height (h) = 18 inches

V = 20 × 14 × 18 = 5040 cubic inches

Since 231 cubic inches of water fills 1 gallon, we can find the number of gallons by dividing the volume in cubic inches by 231.

Gallons = 5040 cubic inches ÷ 231 = 21.82

However, according to the question, we need to round the answer to the nearest gallon. As 21.82 is closer to 22, the number of gallons of water in the aquarium, rounded to the nearest gallon, is 22 gallons.