two numbers are in ratio 7:8 . if 6 is added to both the number then the ratio becomes 9:10 , then what is the smallest number . please answer fast
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Step-by-step explanation:
Let their common ratio is x
then numbers will be 7x and 8x
when 9 is added to each they become (10x+9)and (7x+9)
so their ratio
(2x+9)/(3x+9)=3/4
8x+36=9x++27
x=36–27
x=9 so the original numbers will be
2x=2*9=18 and 3x=3*9=27
so their product will be
18*27=486
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