the ratio of two numbers is 7:5 . if their difference is 42, find the number
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the ratio of two numbers is 7:5 . if their difference is 42, find the number
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Answer:
let the ratio be 7x and 5x
according to question,
.7x - 5x = 42
=> 2x = 42
=> x = 42/2 = 21
=> x =21
so,
first number = 7x = 7 * 21 = 147
SECOND NUMBER = 5x = 5 * 21. = 105
so, the numbers are 147 and 105.