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?
Lance throws this many pebbles into the lake 4 x 3 = <T>multiply(4, 3)=12
He throws this many more pebbles than Candy 12 - 4 = <T>subtract(12, 4)=8 pebbles.
