Mathematics
NULL
Medium
Question
70 litres of wine–water mix is 10% water. How much water must be added so water becomes 12½% of the mixture?
A
12 liters
B
10 liters
C
4 liters
D
2 liters
✓ Official correct answer
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A
12 liters
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B
10 liters
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C
4 liters
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D
2 liters
No member explanations yet for this option.
Explanation
Need 2 litres more water so water is 9 of 72 litres = 12.5% ⇒ add 2 litres.