SOLUTION: one nu,ber is greater than double another number by 15. If their sum is 54, find the smaller of the two numbebers by seeting up an equation and solving it.
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Question 256673: one nu,ber is greater than double another number by 15. If their sum is 54, find the smaller of the two numbebers by seeting up an equation and solving it. Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! Let the greater number = x
Let the other number = y
:
Write an equation for each statement:
:
"one number is greater than double another number by 15.
x = 2y + 15
;
If their sum is 54,
x + y = 54
find the smaller of the two numbers by setting up an equation and solving it.
Substitute (2y+15) for x in the above equation
2y + 15 + y = 54
3y = 54 - 15
3y = 39
y =
y = 13 is the smaller number
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