18. Jon buys and sells bicycles. He bought a bicycle for $160, which he resold for $240. Another bicycle, he bought for $200 and resold for $270. He bought a third bicycle for $140 but did not realize that it needed repairs. Jon had to spend $70 on repairs and then sold it for $200. In dollars, how much profit did Jon make in total from selling the three bikes?

To find Jon's total profit from selling the three bicycles, we need to calculate the profit from each sale individually and then sum them up.

1. **First bicycle**: 
   - Cost: $160
   - Selling price: $240
   - Profit: $240 - $160 = $80

2. **Second bicycle**: 
   - Cost: $200
   - Selling price: $270
   - Profit: $270 - $200 = $70

3. **Third bicycle**:
   - Cost: $140 + $70 (repairs) = $210
   - Selling price: $200
   - Profit: $200 - $210 = -$10 (loss)

Now, let's calculate the total profit:

- Total profit = Profit from first + Profit from second + Profit from third
- Total profit = $80 + $70 - $10 = $140

Therefore, Jon made a total profit of **$140** from selling the three bicycles.

Do you want details or have any questions? Here are some related questions:

1. What factors can influence the selling price of bicycles?
2. How can Jon minimize his losses when purchasing used bicycles?
3. What are the benefits of repairing a bicycle before selling it?
4. How does the condition of a bicycle affect its resale value?
5. What other expenses should Jon consider when calculating profit from sales? 

Tip: Keep track of all costs involved in a purchase to better understand your profit margins.

Jon buys and sells bicycles. He bought a bicycle for $160, which he resold for $240. Another bicycle, he bought for $200 and resold for $270. He bought a third bicycle for $140 but did not realize that it needed repairs. Jon had to spend $70 on repairs and then sold it for $200. In dollars, how much profit did Jon make in total from selling the three bikes?

Discover how to calculate total profit from bicycle sales, including individual profits from three bicycles. Learn the breakdown of costs and selling prices that lead to a total profit of $140. Ideal for students in Grades 5-7.

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