Answer:
I think is is 5.4
Step-by-step explanation:
what I did is divided the problem
Answer:
b
Step-by-step explanation:
The difference between price is 4 dollars and 4 dollars is 10 percent of 40, therefore it changes by 10%
Answer:
7b - 7
Step-by-step explanation:
You can use distributive property which is x (a + b) = x*a + x*b and x (a - b) = x*a - x*b. Therefore, the expression is 2*b + 2*4 + 5*b - 5*3 which is:
2b + 8 + 5b - 15, which is, if you combine like terms:
7b - 7
(6,2) would be the final point
