Question

Q. Two numbers are in the ratio 2:5. When 7 is added to each of them, the ratio is changed to 9: 19. Find the numbers

step \: by \: step \: answer step by step answer
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Answer 1

Step-by-step explanation:

let the numbers be x,y

so

x÷y=2÷5

x=2y÷5

now

(x+7)÷(y+7)=9÷19

cross multiplying,

19x+133=9y+63

7.6y+133=9y+63 (x=2y÷5)

1.4y=70

y=50

so

x=20

Answer 2

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