Two numbers are in the ratio 9: 10. When 3 in subtracted from the
first and 10 is subtracted from the second, they are in the ratio 3:2. Find the numbers
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18 and 20
Step-by-step explanation:
Let the numbers be 9x and 10x
According to the question we have
9x-3/10x-10 = 3/2
By cross multiplication we get
2(9x-3) = 3(10x-10)
= 18x-6 = 30x-30
= 18x-30x = -30+6
= -12x = -24
= 12x = 24
= x = 24/12
= x = 2
So the numbers are 9x = 9*2 = 18 and 10x = 10*2 = 20
Hope it helps
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