Sam sells cars and earns 3.5% commission in sales. In one day he sold 3 of the same cars each for $21,500. How much did Sam earn
1 answer:
It is given in the question that
Sam sells cars and earns 3.5% commission in sales. In one day he sold 3 of the same cars each for $21,500.
Selling price of each car is $ 21,500. Therefore selling price of 3 cars is
And Sam earns 3.5 % commission .
So to find the Sam's commission, we have to do
And the Sam's earning is $2257.50 .
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Answer:
- 20 months
- $5500
Step-by-step explanation:
There are a couple of ways to work a problem like this. You have probably been taught to write equations for each of the payment amounts as a function of time, then equate those values to solve for the time that makes them equal.
at dealer 1, the total amount paid (y) will be a function of months (x):
y = 2500 +150x
at dealer 2, the corresponding equation is ...
y = 3000 +125x
These are equal when ...
y = y
2500 +150x = 3000 +125x
25x = 500 . . . . . . . . . subtract 125x +2500 from both sides
x = 500/25 = 20
The total paid will be the same after 20 months.
That amount is ...
y = 2500 +150(20) = 5500
$5500 will be paid to either dealer after 20 months.
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The other way to work the problem is to "cut to the chase". The difference in down payment is made up at the rate of difference in monthly payments. So The number of monthly payments (x) required to equal the difference in down payments is ...
25x = 500 . . . . . . . . . you may recognize this equation from above
x = 500/25 = 20
