2014 AMC 10B Problems/Problem 6
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Problem 6
Orvin went to the store with just enough money to buy balloons. When he arrived, he discovered that the store had a special sale on balloons: buy balloon at the regular price and get a second at off the regular price. What is the greatest number of balloons Orvin could buy?
Solution 1
Since he pays the price for every second balloon, the price for two balloons is . Thus, if he had enough money to buy balloons before, he now has enough to buy .
Solution 2
Suppose each balloon costs 3 dollars. Therefore, Orvin brought 90 dollars. Since every second balloon costs dollars, Orvin gets 2 balloons for 5 dollars. Therefore, Orvin gets
See Also
2014 AMC 10B (Problems • Answer Key • Resources) | ||
Preceded by Problem 5 |
Followed by Problem 7 | |
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All AMC 10 Problems and Solutions |
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