Answer:
1
Step-by-step explanation:
insert the values for a and b and solve.
You have to add all the common terms together.
The bookshelf would be 4 feet 3 inches.
Well you have to first find the constant of Brand X which would be 2.70/10 = .27. Brand Y is .4 more so that would be .31 per ounce. So then .31 x 11 = 3.41. The cost of 11 ounces of brand Y is $3.41.