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alukav5142 [94]
3 years ago
8

A wholesale club sells eggs by the dozen. write an eqaution that relates the total cost of eggs (y) to the number of dozens of e

ggs (x)
Dozen Cost ($)
6 21
8 28
10 35
14 49
Mathematics
1 answer:
lora16 [44]3 years ago
8 0

Answer:

y = 3.5x

Step-by-step explanation:

Required

Determine the equation

First, pick corresponding x and y values

(x_1,y_1) = (6,21)

(x_2,y_2) = (14,49)

Next, calculate the slope

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

This gives:

m = \frac{49 - 21}{14 - 6}

m = \frac{28}{8}

m = 3.5

The equation is then calculated using:

y - y_1 = m(x - x_1)

y - 21 = 3.5(x - 6)

y - 21 = 3.5x - 21

Add 21 to both sides

y - 21+21 = 3.5x - 21+21

y = 3.5x

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