Answer:
9
Step-by-step explanation:
6 + 3=9
I would say direct because the more gallons of gasoline used, the bigger the cost.
Answer:
2/15
Step-by-step explanation:
4/5-2/3
12/15-10/15
2/15
Answer:
x= 7/5 (1 2/5 or 1.4)
Step-by-step explanation:
Move the variable to the left-hand side and change its sign.
12x-15+3x=6
Move the constant to the right-hand side and change its sign.
12x+3x=6+15
Collect like terms.
15x=21
Divide both sides of the equation by 15.
x=7/5 (1 2/5 or 1.4)