The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 21 inches. The grasshopper jumped 25 inches farther than the frog and the mouse jumped 16 inches lesser than the frog. How much farther did the grasshopper jump than the mouse?
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The grasshopper jumped 21 inches.

The frog jumped 4 inches less than the grasshopper.

The mouse jumped 16 inches less than the frog.

This means that the mouse jumped 20 inches.

The grasshopper jumped 5 inches more than the mouse.