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Adot23x
17.01.2020 •
Mathematics
Acylindrical oil tank holds 510 gallons when it is filled to its full
height of 8.0 ft. when it contains oil to a height of 3 ft 9 in, how
many gallons are in the tank?
298.2 gal
302.4 gal
277.9 gal
239.1 gal
Solved
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Ответ:
Step-by-step explanation:
8 ft = (12 * 8) = 96 inches
3 ft 9 in = (12 * 3) + 9 = 45 inches
510 gallons to 96 inches = x gallons to 45 inches
510 / 96 = x / 45cross multiply because this is a proportion
(96)(x) = (510)(45)
96x = 22950
x = 22950 / 96
x = 239.0625 rounds to 239.1 gallons <===
Ответ:
Amount spent on 7 cartons of eggs is $12.95.
Step-by-step explanation:
Since we have given that
Number of cartons of eggs = 12
Cost of 12 cartons of eggs = $22.20
So, Unit price of carton of eggs would be
Now, number of cartons of eggs = 7
Amount spent on 7 cartons of eggs is given by
So, 12 cartons(÷22.20), there is a mistake as it should be 22.20÷12.
Hence, Amount spent on 7 cartons of eggs is $12.95.