two numbers are in the ratio 3:4 when 5 added to each number, their ratio becomes, 7:9 , find the numbers
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Answer:
30 and 40
Step-by-step explanation:
3x+5/4x+5=7/9
=> 3x+5=7/9(4x+5)
= 3x+5= 28x/9+35/9
=>3x-28x/9=35/9-5
-x/9=-10/9.
-x=-10/9*9
-x=-10
=>x=10
the original no.s were 3x and 4x respectively.we found x=10.
now the first no. 3x=3*10=30
the other no.=4*10=40
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