Answer:
Step-by-step explanation:
Set up a proportion
15 Liters / 4 gallons = 210 Liters / x Cross Multiply
15x = 4 * 210 Combine the right
15x = 840 Divide by 15
x = 840 / 15
x = 56 gallons
ok the anser is 39
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C.
MARK A BRAINLEIST
70 - 28 = 42
42/100 X 40 = 16.8
42 - 16.8 = 25.20