bobbye001

06.12.2021 • 

Mathematics

Noah manages a buffet at a local restaurant. He charges $10 for the buffet. On average, 16 customers choose the buffet as their meal every hour. After surveying several customers, Noah
has determined that for every $1 increase in the cost of the buffet, the average number of
customers who select the buffet will decrease by 2 per hour. The restaurant owner wants the
buffet to maintain a minimum revenue of $130 per hour.
Noah wants to model this situation with an inequality and use the model to help him make the
best pricing decisions.
Part A
? Question
Write two expressions for this situation, one representing the cost per customer and the
other representing the average number of customers. Assume that x represents the number
of $1 increases in the cost of the buffet.
Enter the correct answer in the box. Type the cost expression on the first line and the
customer expression on the second line.

Ответ:

renaeenriquez2016

15.05.2021

Mathematics

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It simplifies to: -20x+14y-1

Step-by-step explanation:

This is really about combining like terms.

9-2x-18x+14y-10

1) Lets do the the x's first: -2x-18x = -20x

(It's -2 because of the minus sign)

2) Combine the 9-10 = -1

3) You can't combine +14y because theres no other y, so let's put the equation together: -20x+14y-1.

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