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dybincka [34]
3 years ago
13

A company has a manufacturing plant that is producing quality jackets. They find that in order to produce 150 jackets in a month

, it will cost $5500. Also , to produce 370 jackets in a month , it will cost $8580 . Find an equation in the form y = mx + b , where is the number of jackets produced in a month and y is the monthly cost to do so.
Mathematics
1 answer:
Masja [62]3 years ago
3 0

Answer:

y = 14x + 3400

Step-by-step explanation:

Represent

- number of jackets with x

- costs of jackets with y

So, we have:

(x_1,y_1) = (150,5500)

(x_2,y_2) = (370,8580)

Required

Write an equation in form of y = mx + b

First, we need to determine the slope (m)

m = \frac{y_2 - y_1}{x_2 - x_1}

m = \frac{8580 - 5500}{370 - 150}

m = \frac{3080}{220}

m = 14\\

The equation is calculated using:

y-y_1 = m(x - x_1)

Where

m = 14\\

(x_1,y_1) = (150,5500)

So, we have:

y - 5500 = 14(x - 150)

y - 5500 = 14x - 2100

Make y the subject

y = 14x - 2100 + 5500

y = 14x + 3400

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