SOLUTION: Briana and her sister Molly both want to buy the same model bicycle. Briana needs $73 more before she can afford the bike. Molly needs $65 more. If they combine their money, they

Question 338023: Briana and her sister Molly both want to buy the same model bicycle. Briana needs $73 more before she can afford the bike. Molly needs $65 more. If they combine their money, they will have just enough to buy one bicycle that they could share. What is the cost of the bicycle?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Briana and her sister Molly both want to buy the same model bicycle.
Briana needs $73 more before she can afford the bike.
Molly needs $65 more.
If they combine their money, they will have just enough to buy one bicycle that they could share.
What is the cost of the bicycle?
:
Let x = cost of he bike
then
(x - 73) = amt that B has
and
(x - 65) = amt that M has
:
A simple equation
(x-73) + (x-65) = x
2x - 138 = x
2x - x = 138
x = $138 cost of the bike
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