JarretteWhitaker
01.02.2020 •
Mathematics
Carla bought a t-shirt for $17.65 and a sweater for $31.79.
how much did carla spend?
a.
$48.34
b.
$48.44
c.
$49.34
d.
$49.44
Solved
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Ответ:
$17.65 + $31.79 = $49.44
Ответ:
Step-by-step explanation:
First, create an equation for the price of the car for both dealerships:
Dealership A: y = 150x + 2500
Dealership B: y = 125x + 3000
where y is the total cost of the car and x is the number of months that have passed.
You know that y is equal to "150x + 2500" AND y is equal to "125x + 3000," so "150x + 2500" must be equal to "125x + 3000"
Now, just solve for x to find the number of months at which the total amount paid would be the same for both dealers:
So, after 20 months, the price of the car at both dealerships is the same. To find that price, just plug in 20 for x in one of the equations (because x was the number of months):
So, the car costs the same after 20 months, $5500 at either dealership.
Step-by-step explanation: