stefan sells jin a bicycle for $126 and a helmet for $17. the total cost for jin is 130 % 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 jin?

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Stefan originally spent $110

Stefen made $33 by selling the bicycle and helmet to jin.

Step-by-step explanation:

let ,

the original cost of bicycle and helmet for Stefan be 'x'

now,

total cost for Jin of bicycle and helmet = 126 + 17

                                                        = 143

also, total cost for Jin = 130% of original cost for Stefan

⇒ 143 =

⇒ x = 110.

hence,

profit made by Stefan = total cost for Jin - original cost for Stefan

                                     = 143 - 110

                                     = 33

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.