Answers

2015-12-08T20:35:02+08:00
The answer is 39 and 52

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2015-12-12T10:15:20+08:00
It's a partitive proportion.

3 + 4 = 7

Divide 7 to 91 which is equal to 13.

13 × 3 = 39
13 × 4 = 52

Check:
39 + 52 = 91 
39 × 4 = 156
52 × 3 = 156
So the answer is correct.

3 : 4 = 39 : 52
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