the sum of two number is 45 and their ratio is 7:8 find the number
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hey see my answer
let 1st number =7x
then 2nd number =8x
7x + 8x = 45
or. 15x = 45
or. x = 45/15
then x = 3
so 1st number = 7x = 7 × 3 = 21
2nd number = 8x = 8 × 3 = 24
let 1st number =7x
then 2nd number =8x
7x + 8x = 45
or. 15x = 45
or. x = 45/15
then x = 3
so 1st number = 7x = 7 × 3 = 21
2nd number = 8x = 8 × 3 = 24
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