In the fifth grade, 3 baskets of apples are lighter than 4 boxes of pears 13 kg. As we all know, each basket of pears weighs 25 kilograms. How many kilograms does each basket of apples weigh? (Write after solving the equation. Quantitative relationship: 4 baskets of pears -3 baskets of apples = 13.

Solution: Let each basket of apples weigh X kilograms.

4×25-3x= 13

100-3x= 13

100- 13=3x

3x=87

x=29

Each basket of apples weighs 29 kilograms.