Question

Lars bought 3 jars of marbles. Each jar has 42 marbles, of which 13 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 only the associative property of multiplication? Drag and drop the appropriate number or expression into each box. 13342​​ ​(3×13)​​​ ​(13×42)​ ×

Answer 1

I had a test and this was one of the questions and the answer it said was (3x1/3) x 42 so you dont have to figure it out. hope this helps anyone who needs it. :)