Answer:

Step-by-step explanation:
Given

--- first discount
--- second discount

Required
Determine the amount paid
First, we add the total discount:



If she got a discount of 40%, then she paid 60% (i.e. 100% - 40%)
So:


Calculate the sales tax




Answer:
2.59
Step-by-step explanation:
2 y
6x+y=4 x= _ - _
3 6
x-4y=19 x=19+4y
Answer:
Simplify the expression.
−
1b^{2}+
13
b
Step-by-step explanation:
Your answer should be 157.5 Inches