How can you find x and y in a problem
ex:
if a bag of pretzels cost x dollars and a drink cost y dollars, what expression could you use
to write how much you spend in all

Ax + By

Step-by-step explanation:

let the number of bags of pretzels bought be A

let the number of drinks be B.

therefore the equation for the total cost C,becomes:

C = Ax + By

sorry, can't i suggest going to algebra.com

step-by-step explanation:

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5