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polet [3.4K]
3 years ago
12

The 8th grade students at Great Lakes Middle School hold a bake sale to raise money for a class field trip at the end of the yea

r. They charge the same price for each item that they sell. After selling 10 items, they have $60.00 in their cash box. After selling 25 items, they have $82.50 in their cash box.
What is the price of each item at the bake sale?
Mathematics
1 answer:
s2008m [1.1K]3 years ago
4 0

The question is an illustration of slopes or rate of change.

The price of each item at the bake sale is $1.50

Let:

  • <em>x represents the number of items</em>
  • <em>y represents the amount in the cash box</em>

<em />

So, we have:

(x_1,y_1) = (10,60.00)

(x_2,y_2) = (25,82.50)

The slope represents the price of each item, and it is calculated using:

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

So, we have:

m = \frac{82.50 - 60.00}{25 - 10}

m = \frac{22.50}{15}

m = 1.50

Hence, the price of each item at the bake sale is $1.50

Read more about slopes at:

brainly.com/question/3605446

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