7/10 + 1/2
Find common denominator will be 10
7/10+ 1×5/2×5
7/10+5/10
Add numerators keeping same denominator
7+5/10
Simplify
12/10
Reduce fraction
6/5
12 boxes would be 22 pounds.
Answer:
C. 4
Step-by-step explanation:
All other answer choices involve the variable 'b' and/or are tied to it in some way. The sole number 4 has no connection to the variable b, therefore it is C. 4.