Answer:
should be b = 8/a-3
Step-by-step explanation:
add the like terms
14x=-3+x
subtract x from both sides
13x=-3
divide both sides by 13
x=-3/13
So basically you need to multiply 3000x4000 in two ways? If so you can use basic multiplication and an area model
Percent increase is
100(new/old - 1)
Here that's
100(26/22 - 1) = 200/11 ≈ 18.2
Answer: third choice
