1540.35 – Apples on a Hike
Shannon, Brian, and Dwayne went on a hike and took a bag of apples with them. They stopped for a break for lunch. Shannon, who had been carrying the bag, opened it and and took out of the apples for himself. Brian then took the bag and took out of the remaining apples. Finally, Dwayne took the bag and took out of the apples still remaining. Then they all had lunch. There were apples left in the sack. How many apples were there originally?
Let represent the number of apples in the bag at the start of the hike.
Shannon eats , with left.
Brian eats or with left.
Dwayne eats , with left.
We know that apples, so .
(Shannon ate a lot of apples! But then he's a very big guy.)