19. Divide 36 into two parts in such a way that 1/5 of one part is equal to 1/7 of the other
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May be you wanna say there are two parts of 36
let one part be x, then the other will be (36-x)
according to the question,
x/5 = 36-x/7
7x= 5(36) -5x
12x = 180
x= 15
thus, the other part will be
36-x
36-15=21
let one part be x, then the other will be (36-x)
according to the question,
x/5 = 36-x/7
7x= 5(36) -5x
12x = 180
x= 15
thus, the other part will be
36-x
36-15=21
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