Amy has 3bags of marbles, and Ron has 2 bags of marbles. There are 6 marbles in each of their bags. How many marbles do they have in all? Show how you know.

Respuesta :

3x6= 18               2x6= 12

   18
+12
   ----
30           

30 marbles in total

Amy: 3 bags with 6 marbles in each. 3 x 6 = 18 marbles.

Ron: 2 bags with 6 marble in each. 2 x 6 = 12 marbles.

18 + 12 = 30 marbles.

Amy and Ron have 30 marbles total. :)