SOLUTION: the sum of two numbers is twenty five. twice the larger number is equal to three times the smaller one. find the two numbers.
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Question 439716: the sum of two numbers is twenty five. twice the larger number is equal to three times the smaller one. find the two numbers.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
x+y=25...................1
2x=3y
2x-3y=0..................2
Eliminate y
multiply (1)by 3
Multiply (2) by 1
3 x + 3 y = 75
2 x + -3 y = 0
Add the two equations
5 x = 75
/ 5
x = 15
plug value of x in (1)
1 x + 1 y = 25
15 + 1 y = 25
1 y = 25-15
1 y = 10
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