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Ratio and Proportion
There are two numbers in the ratio 8:9. if the smaller of the two numbers is increased by 12 and the larger number is reduced by 19 thee the ratio of the two numbers is 5:9.
Find the larger number?
Read Solution (Total 2)
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- The two numbers are let 8x and 9x
The equation now in the given condition
8x-12/9x-19=5/9
Solving, x=13/27
The larger No.=13/27*9=13/3 - 13 years agoHelpfull: Yes(0) No(6)
- 2nos are 8x and 9x
Smaller of two num is 8x is increased by 12 gives 8x+12
Larger of two num is reduced by 19 gives 9x-19
8x+12/ 9x-19 = 5/9(given ratio)
Cross multiply , u ll get x= 203/27
Substitute x in larger num 9x = 9(203/27)
= 67.6 - 6 years agoHelpfull: Yes(0) No(0)
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