The cost of a school banquet is $70 plus $15 per person attending. Determine the linear equation that models this problem. What is the cost for 44 people?

Nola Aguilar

Nola Aguilar

Answered question

2022-11-03

The cost of a school banquet is $70 plus $15 per person attending. Determine the linear equation that models this problem. What is the cost for 44 people?

Answer & Explanation

Leo Robinson

Leo Robinson

Beginner2022-11-04Added 14 answers

When x = 0 y = 70 (this is called the y-intercept.
For every x + 1 y + 15 so Δ y Δ x = 15 (=the slope)
So the equation will be y = 15 x + 70
And for 44 or any other number of people you just substitute the number for x.

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