Answer:
8399
Step-by-step explanation:
78*100=7800
58*10=580
7800+580+19=8399
The labor fee is $13.55 and each quart of oil is $2.25
Step-by-step explanation:
Let,
x be the amount of each quart of oil
y be the amount of labor fee
According to given statement;
5x+y=24.80 Eqn 1
7x+y=29.30 Eqn 2
Subtracting Eqn 1 from Eqn 2

Dividing both sides by 2

Putting x=2.25 in Eqn 1

The labor fee is $13.55 and each quart of oil is $2.25
Keywords: linear equation, subtraction
Learn more about subtraction at:
#LearnwithBrainly
Answer:
800
Step-by-step explanation:
You can plan retirement now to know what you will do later on and plan on how much money you will collect