Question

a fish tank is half full of water.when 10 literes are added the tank is 7/8 full

Answer 1

STEP 1: Find the fraction of water poured in:

7/8 - 1/2 = 7/8 - 4/8 = 3/8

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STEP 2: Find capacity of the tank:

Fraction of the water poured in = 3/8

Amount of water poured in = 10 liters

3/8 = 10 liters

1/8 = 10 ÷ 3 = 10/3

8/8 = 10/3 x 8 = 80/3 = 26 2/3 liters

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Answer: The capacity of the tank is 26 2/3 litres