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If 50% of a number is 70 and 80% of the same number is 112, find 30% of that number.

pls i need fast *NO LINKS*

User Ching Liu
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1 Answer

2 votes

Answer:

42

Explanation:

It's just saying that 1/2 * x = 70, and if we multiply both sides by 2, we get

x=140.

we check if that number is true by finding 80% of 140.

4/5 * 140 = 112. So that means 140 is the number we want

30% of 140 is 3/10 * 140, which is 420/10, which is 42

User Vahid Hallaji
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