Question

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×(13×42)

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

Answer 1

3 ×( 13 × 42 ) = (3 × 13)×42. ASSOCIATIVE PROPERTY OF MULT.