The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 39 inches. The grasshopper jumped 19 inches farther than the frog and the mouse jumped 12 inches lesser than the frog. How far did the mouse jump?
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The grasshopper jumped 39 inches. 
The grasshopper jumped 19 inches farther than the frog. 
The mouse jumped 12 inches lesser than the frog. 

So, if we put these together, we can say that the frog jumped 20 inches, and the mouse jumped 8 inches.