Question

Stefan sells Jin a bicycle for $103 and a helmet for $18. The total cost for Jin is 110% of what Stefan spent originally to buy the bike and helmet. How much did Stefan spend originally?

Answer 1

To find out how much Stefan spent originally, set up an equation using the given information and solve for x. Stefan spent originally $1210.

Step-by-step explanation:

To find out how much Stefan spent originally, we need to solve the equation representing the given information.

Let x be the original cost for Stefan.

According to the question, the total cost for Jin is 110% of what Stefan spent originally. So, Jin's cost is 1.1x.

Stefan sells Jin a bicycle for $103 and a helmet for $18. Therefore, the equation is:

x + 103 + 18 = 1.1x

Combine like terms:

121 = 0.1x

Divide both sides by 0.1:

x = $1210

Therefore, Stefan spent originally $1210.