Answer:
3
Step-by-step explanation:
Method 1:
First, we can convert 1 1/2 to 3/2.
So 2 • 1 1/2 becomes 2 • 3/2.
The 2s cancel, so the answer is 3.
Method 2:
Since 1 1/2 is just 1+1/2, the problem becomes
2(1+1/2)
Expanding, we have
2+2(1/2)
or
2+1.
Since 2+1 is 3, the answer is 3.
