Answer
146
Step-by-step explanation:
Answer:
x = 2y - 7
x + y = 47
substitute x
2y - 7 + y = 47
3y = 54
y = 18
x = 2x18 - 7
x = 29
There was a %5 increase
You just have to substract 65-60 and you get 5
$16.80 / 4 gallons = $4.20 per gallon
-13 + 5*n-1 I think
the answer is √24,5.1,√33
