Algebra 2

write an equation to solve each problem

Briana and her sister Molly 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?

*Could you show me the work on how to do it

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2. 👎 0
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1. cost = c

Briana + 73 = c
Molly + 65 = c

Briana + Molly = c
so molly = (c - Briana)
now we have
Briana + 73 = c
(c - Briana) + 65 = c or Briana = 65

Briana + 73 = c

73 + 65 = c = 138

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posted by Damon

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