Answer:
$40
Step-by-step explanation:
If he spent $40 and has none left that means he currently has $0.
If you subtract $40 - b = $0
b = $40
Answer:
180 miles
Step-by-step explanation:
6 gallons is 2x as many gallons as 3 gallons so the distance he can drive is 2x the original distance.
2x90 miles=180 miles
Answer:
x = 19
Step-by-step explanation:
These type of angles always equal each other
3x - 3 = 6x - 60
Subtract 3x from both sides
-3 = 3x - 60
Add 60 to both sides
57 = 3x
19 = x OR x = 19