40 is 20% of 160, so if she saved 40$ and it was 20% off then the original price was 160$!!!
Answer:
x = 95
Step-by-step explanation:
Using the rule of logarithms
•
x = n ⇔ x = 
Given
(x + 30) = 3, then
x + 30 = 5³ = 125 ( subtract 30 from both sides )
x = 95
Answer:
264 miles
Step-by-step explanation:
Find the unit rate (mpg):
66 miles
----------------- = 22 mpg
3 gallons
On 12 gallons he could drive (22 mpg)(12 gallons) = 264 miles