The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 19 inches. The frog jumped 10 inches farther than the grasshopper and the mouse jumped 20 inches farther than the frog.
Question: How much farther did the mouse jump than the grasshopper?
Equation: ( 10.0 + 20.0 )
Answer: 30 (Addition)