That two numbers are in ratio 2:3 if 9 is added to each they will be in ratio 3:4 find the numbers ?
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21
Answer:
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➺ Let the two numbers be 2x and 3x
➺ Let the ratio 3:4 be 3x and 4x
➺ According to the questions
2x + 9/3x + 9 = 3/4
=> 4(2x + 9) = 3(3x + 9)
=> 8x + 36 = 9x + 27
=> 36 - 27 = 9x + 8x
=> 36 - 27 = x
=> x = 9
➺ first number = 2 × 9 = 18
★ Second number = 3 × 9 = 27
➺ Hence, the numbers are 18 and 27.
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Answered by
28
Let their common ratio is x
then numbers will be 2x and 3x
when 9 is added to each they become (2x+9)and (3x+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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