Answer: 100 miles
Step-by-step explanation:
300+3x=500+1x
subtract 1 from both sides
300+2x=500
subtract 300 from both sides
2x=200
divide 2
x=100
F(x)=2x+3-(x+10)
0=2x+3-x-10
0=x-7
-x=-7
x=7
Answer: (7/8)x gallons
Explanation:
Let x be the amount of gasoline at the start of the trip.
During the trip the car uses 1/8 gallons of gasoline
Which mean it uses 1/8 of the original gasoline, (1/8)x.
Gasoline left in the tank:
x - (1/8)x = (7/8)x
Answer:
The answer is C
Step-by-step explanation:
Subtraction goes left on the number line
You always start with the first number on the number line