Question #64251 Algebra Forms of Linear Equations Applications Using Linear Models 1 Answer Binayaka C. Jan 8, 2017 After #14# weeks, Heather will have a balance of #$220# Explanation: Let the number of weeks be #w#, then #500 - 20*w =220 or 20*w=500-220 or 20*w = 280 or w= 280/20 or w=14# weeks. After #14# weeks, Heather will have a balance of #$220# [Ans] 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 1475 views around the world You can reuse this answer Creative Commons License