Stephan sells Jin a bicycle for $126 and a helmet for $17. The total cost for Jin is 130% of what Stephan spent originally to buy the bike and helmet. How much did Stephan spend originally? How much money did he make by selling the bicycle and helmet to Jin?
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a bicycle for $126
a helmet for $17
126 + 17 = 143 = original cost * (1.30)
Original cost = 143 / 1.30
Original cost = 110
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How much did Stephan spend originally?
Stephan spent originally $ 110
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How much money did he make by selling the bicycle and helmet to Jin?
143 - 110 = 33
Stephan made $ 33 by selling the bicycle and helmet to Jin