The cost of a school banquet is $65 plus $13 for each person attending. How do you determine the linear equation that models this problem and what is the cost for 81 people? Algebra Forms of Linear Equations Applications Using Linear Models 1 Answer Alan P. Sep 11, 2015 #c(p) = 65+13p# #color(white)("XXXX")#where #c(p)# is the cost function and #p# is the number of people attending. #c(81)= 1128# (dollars) Explanation: #c(81) = 65 + 13(81) =1128# Answer link Related questions What are some Applications Using Linear Models? How do you create a linear model in a word problem? How do you write an equation in slope-intercept form to show that Andrew puts in a down payment... How do you define your variables when given a word problem? How do you write an equation of a line for Anne who wants to track the growth of the rose and... How do you write an equation of a line if it take Andrew 20 minutes to get from a depth of 400... How many pounds of corn can you buy if your total spending cash is $11.61 and tomatoes are... If the sum of three consecutive even integers is 66 what are the integers? If the heart of an elephant at rest will beat an average 1380 beats in 60 min, what is the rate... How do you write a linear equation that related the cost c and the number x of copies delivered... See all questions in Applications Using Linear Models Impact of this question 1389 views around the world You can reuse this answer Creative Commons License