Inequalities in the Real World Answers

A landscaper earns $30 for each lawn her company mows, but she pays $210 per day in salary to her employees. If her company made more than $150 profit from mowing lawns in a 7-day week, what are the possible numbers of lawns the company could have mowed? Select two options.

Mary wants to fence in a rectangular run for her dogs. She has decided that the run will be 5 yards wide. Which statement best describes the possible lengths of the run if she can use no more than 40 yards of fencing?

The weight limit of an elevator is 2,200 pounds. Michelle is solving an inequality to determine how many 40-pound boxes she can safely bring in the elevator with her if she weighs 110 pounds and has a 10-pound push cart. When the solution to the inequality is graphed on a number line, which statements best describe the graph? Select three options.

Myra wants to save at least $500 by the end of her summer vacation. She currently has $350 saved. She can earn $25 cutting a lawn in her neighborhood. Myra solves an inequality to determine the least number of lawns, n, she must cut to reach her goal.What number is the minimum number of lawns Myra needs to mow to meet her goal?

Maya is trying to break or tie the league record for home runs in her softball league. She solved the inequality to find the minimum number of home runs she must average per week over the five remaining weeks of the season to break or tie the record. What error did Maya make when she chose this inequality to model the situation?

Julio wants to break his school’s scoring record of 864 points during his 24-game basketball season. During the first 8 games of the season, he scored a total of 256 points. Which inequality can be used to find x, the number of points Julio must average per game during the rest of the season to break the record?

Sara is taking a test made up of multiple-choice and open-ended questions. The multiple-choice questions have a value of 4 points each, and the open-ended questions have a value of 5 points each. If Sara has already answered 10 multiple-choice questions correctly, which inequality best describes the amount of open-ended questions Sara must answer correctly to earn more than 70 points?

Guests at an amusement park must be at least 48 inches tall to be able to ride the bumper cars. Which graph represents the set of heights in inches that satisfy this requirement?

A can of 3 tennis balls sells for $2. If Sal spent more than $24 on tennis balls, which inequality can be used to find n, the number of tennis balls Sal could have bought?

Phil consumed 1,200 calories at lunch. He has a goal of burning at least 5% of those calories by walking on the treadmill. If walking on the treadmill burns 200 calories per hour, which statement best describes how long he should walk on the treadmill?