Question

Two numbers are in the ratio 5:7. If 7 is added to each number the ratio become 11:15 . Find its number

Answer 1

Answer:

Step-by-step explanation:

5x:7x

5x+7:7x+7 = 11:15

(5x+7)/(7x+7) = 11/15

75x + 105 = 77x + 77

77x - 75x = 105 - 77

2x = 28

x = 14

=> Two numbers are 70,98

Answer 2

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