Answer :
Answer:
4 cars
Step-by-step explanation:
12-3.50 = 8.5 ( profit )
34÷8.5 = ans
Answer:
4 cars
Step-by-step explanation:
To find the answer to this we must create an equation.
Let x = number of cars
Revenue = Money he makes and Expenses = money it cost to make the cars.
We know that he makes money by selling cars. He sells each car he makes for 12 dollars. So his revenue = 12x, if x = # of cars
We also know that it cost him $3.50 to make each car, and he spent a total of $34 on tools for the cars. So expenses = 3.50x + 34 if x = # of cars
We want to find how many cars he must sell for his revenue to equal his expenses.
In other words we want to find the value of x when 12x = 3.50x +34
We now solve for x
12x = 3.50x +34
subtract 3.50x from both sides
8.50x = 34
Divide both sides by 8.50
x = 4
So he must sell a total of 4 cars for his revenue to equal his expenses
We can also check our work.
If he sells 4 cars for 12 dollars he would have made 48 dollars.
If he sells 4 cars and each car cost 3.50 to make, it will have cost him $14 to make them. 14 + 34 ( tools spent for making the cars ) = 48
48 = 48.