High School

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A water tank measures 5 in. by 10 in. by 7 in. If each dimension of the tank were doubled, approximately how many more gallons can the larger tank hold? (Hint: There are 231 cubic inches in 1 gallon.)

A. The large tank holds about 2,450 gallons more water than the small tank.
B. The large tank holds about 10 gallons more water than the small tank.
C. The large tank holds about 22 gallons more water than the small tank.
D. The large tank holds about 16 gallons more water than the small tank.

Answer :

Final answer:

The larger tank can hold approximately 10.61 gallons more water than the smaller tank, Option B.

Explanation:

To find the volume of the larger tank, we need to calculate the volume of the smaller tank first. The volume of a rectangular prism can be found by multiplying the length, width, and height. For the smaller tank, the volume is 5 in. x 10 in. x 7 in. = 350 cubic inches.

Now, double each dimension for the larger tank: 2 x 5 in. = 10 in., 2 x 10 in. = 20 in., and 2 x 7 in. = 14 in.

Calculate the volume of the larger tank: 10 in. x 20 in. x 14 in. = 2800 cubic inches.

Finally, find the difference in volume between the larger and smaller tank: 2800 - 350 = 2450 cubic inches.

Since there are 231 cubic inches in 1 gallon, divide 2450 cubic inches by 231 to find the number of gallons: 2450 / 231 = 10.61 gallons. Therefore, the larger tank can hold approximately 10.61 gallons more than the smaller tank.


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Rewritten by : Barada

Answer:

10

Step-by-step explanation:

you should go by this; 5x10x7=350 which can round up to two gallons. then you do 350 x 2 to the third power, which should be 350x8=2800. which 2800 rounds to 12 gallons, so then you do 12-2=10. So 10 would be the answer! Hope this helped!!