one no. is 3 times another number. If 15 is added to both number, then one of the new no. become twice the other new no. Find the number
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let x be the smaller no.
so other no. is 3x
so 3x + 15 , x + 15are new no.s so
3x + 15 = 2(x + 15)
3x - 2x = 30-15
x= 15
other no. = 3×15=45
so other no. is 3x
so 3x + 15 , x + 15are new no.s so
3x + 15 = 2(x + 15)
3x - 2x = 30-15
x= 15
other no. = 3×15=45
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