Answer:
7/17 and 1/9 0r 9/1
Step-by-step explanation:
Answer: The car can travel 225 miles on 6 gallons of petrol.
The equation is
5x - 13 = 3x + 21
when solved, we get
x = 17
Answer:
Number of servings left is bottle 
Step-by-step explanation:
The amount of orange juice in a bottle is modeled by the equation
---Eq (1)
Here y = number of ounces of juice in the bottle
and x = number of servings of juice poured from the bottle
Number of servings left is bottle = number of ounces of juice in the bottle -number of servings of juice poured from the bottle
Thus,
Number of servings left is bottle = y -x
Substracting x from both the sides of the above equation, we get - 
Number of servings left is bottle 