Two numbers are in the ratio of 4:5. When 6 is added to each term of the ratio , they form a new ratio 6:7. Find the numbers.
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Step-by-step explanation:
Let the original ratio be 4x and 5x.
4x + 6 / 5x + 6 = 6 / 7 (cross multiply)
7(4x + 6) = 6(5x + 6)
28x + 42 = 30x + 36
42 - 36 = 30x - 28x
2x = 6
x = 3
THE TWO NUMBERS ARE :
4x = 4 × 3 = 12
5x = 5 × 3 = 15
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