What must the length of a rectangle be if the with is 12 inches and the perimeter is at least 180 inches? : Algebra Linear Inequalities and Absolute Value Applications with Inequalities 1 Answer seph Nov 22, 2014 #P = 2L + 2W# #W = 12# #=> 180 = 2L + 2(12)# #=> 180 = 2L + 24# #=> 156 = 2L# #=> L = 78# Answer link Related questions When do you use inequalities to solve word problems? What inequalities are used to show "at least" or "no more than"? How do you write an inequality statement to show that you must be at least 48 inches tall to... What is the inequality statement to show that Charlie needs more than $1,800 to purchase a car? How do you write an inequality statement to show that ninety percent of some number is at most 45? Liz earns a salary of $2,100 per month, plus a commission of 5% of her sales. She wants to earn... Word Problem on polynomial inequalities help? Question #442a7 Question #d332d Question #04136 See all questions in Applications with Inequalities Impact of this question 1985 views around the world You can reuse this answer Creative Commons License