If 4/5 of a number is 12, what is 5/6 of the number?
A)4/5
B)9
C)12.5
D)15
E)18

Name: If 4/5 of a number is 12, what is 5/6 of the number? A)4/5 B)9 C)12.5 D)15 E)18
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Question

Quizplus · Accepted Answer

It has two stages. Assume the number is Z.
4/5 x Z = 12, or Z = 12 x 5/4 = 15.
Then find 5/6 of 15 =15 x 5/6 = 5 x 5 /2 = 12.5
Key takeaway: First you convert the word problem into a simple equation with a variable. Then solve simple equation getting the variable alone on one side of the equal sign.

If 4/5 of a Number Is 12, What Is 5/6