SOLUTION: Two numbers have the ratio 3 : 4. If 4 is added to each of the numbers the resulting ratio is 4 : 5. The sum of the numbers is
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Question 732496: Two numbers have the ratio 3 : 4. If 4 is added to each of the numbers the resulting ratio is 4 : 5. The sum of the numbers is
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Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Two numbers, and have the ratio .
......eq. 1
If is added to each of the numbers the resulting ratio is .
.....eq. 2
solve the system:
......eq. 1
.....eq. 2
_________________________________
......eq. 1...solve for
.........substitute in eq. 2
.....eq. 2..solve for
go back to and find
check:
......eq. 1
.....eq. 2
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