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Stefan sells Jim a bicycle for $138 and a helmet for $16.The total cost for Jim is 140% of what Stefan spent originally to buy the bike and helmet.How much did Stefan spend originally?how much money did he make by selling the bicycle and helmet to Jim?

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Answer:

$110, $44

Step-by-step explanation:

Let x = the total cost to Stefan

Jim buys for:

bicycle: $138

helmet: $16

total: $138 + $16 = $154

Jim's price of $154 is 140% of Stefan's cost, x.

154 = 140% × x

1.4x = 154

x = 110

Stefan spent $110.

Stefan's profit:

$154 - $110 = $44

Answer: $110, $44

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