Answer:
Answer in photo
Step-by-step explanation:
Answer:
24.30 Difference, sale price 56.70
Step-by-step explanation:
30% off 81.00 is 56.70
The difference is 24.30
For this case we must find the value of a variable "x" of the following inequality:

DIviding between 14 to both of the inequality we have:

We multiply by -1 on both sides, taking into account that the sense of inequality changes:

ANswer:

Answer:
c=A/2n
Step-by-step explanation:
A=2nc
c=A/2n
Answer:
1/3 gallon per hour, and it takes 3 hours to use one gallon
Step-by-step explanation:
Simplify the ratio
3-9
Which simplifies to
1-3
———————————————