Question: Solve the following math problem: Candy throws 4 pebbles into the lake.  Lance throws in 3 times as many pebbles as Candy. How many more pebbles did Lance throw compared to Candy?
Answer: 
Lance throws this many pebbles into the lake 4 x 3 = 12.
He throws this many more pebbles than Candy 12 - 4 = 8 pebbles.