Answer:
31-12
Step-by-step explanation:
15+12-5+4-7
27-5+4-7
31-5-7
31-12
5 is b because 3/6 is equivalent to 1/2
6 is a because 1/6 is less than half
140%
Step-by-step explanation:
Answer:
4b^4
Step-by-step explanation:
Work backwards, multiply 4b^5 to 2b, get 8b^6, divide by 2b^2 and get 4b^4