Lars bought 3 jars of marbles. Each jar has 42 marbles, of which 1/3 are red.
Lars can use the calculation below to find the total number of red marbles.

3×(1/3×42)

How can Lars simplify the calculation using only the associative property of multiplication?

Drag and drop the appropriate number or expression into each box.

:_______ X ________
1/3
3
42
(3 x 1/3)
(1/3 x 42)