1.

Aarti bought 3 bags of red balls and 5 bags of white balls. Each bag has 7 balls in it. Which expression could Aarti use to find the total number of balls she bought?

A.  \[(7\times 3)+5\]           
B.         \[\text{(7 }\times \text{ 5) + 3}\]            
C.  \[\text{7 }\times \text{ (3 + 5)}\]            
D.         \[\text{7 + (5 }\times \text{ 3)}\]            
Answer» D.         \[\text{7 + (5 }\times \text{ 3)}\]            


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