A group of children bought a certain number of apples. If each apple is cut into 4 equal pieces and 1 piece is given to each child, 3 pieces will be left over. If each apple is cut into 3 equal pieces and distributed, 2 pieces are not enough. Write a system of equations where the number of children is $x$ and the number of apples is $y$, and then solve for $x$ and $y$.
2025/7/21
1. Problem Description
A group of children bought a certain number of apples. If each apple is cut into 4 equal pieces and 1 piece is given to each child, 3 pieces will be left over. If each apple is cut into 3 equal pieces and distributed, 2 pieces are not enough. Write a system of equations where the number of children is and the number of apples is , and then solve for and .
2. Solution Steps
From the first condition, each apple is cut into 4 pieces. So there are pieces. If 1 piece is given to each child, and 3 pieces are left, then we have the equation:
From the second condition, each apple is cut into 3 pieces. So there are pieces. If 2 pieces are not enough, then the number of children is 2 more than the number of pieces. So we have the equation:
We have a system of two equations with two variables:
We can solve this system of equations by substitution or elimination. Let's use elimination. Subtract the second equation from the first equation:
Now substitute into either equation to solve for . Let's use the first equation:
3. Final Answer
The number of children is 17 and the number of apples is