Creating Inequalities with 2 Variables
Interactive practice questions
In an office building, an elevator has a maximum carrying capacity of $12750$12750 pounds. This is based on an average female's weight of $150$150 pounds and an average male's weight of $170$170 pounds.
Let $x$x represent the number of women who enter the elevator.
Let $y$y represent the number of men who enter the elevator.
Write an inequality to represent the number of men and women who can enter the elevator at one time, with $y$y as the subject.
In the new basketball season, Neil is looking to beat his personal best of scoring $90$90 points in total for the whole season (this does not include points from fouls).
Rochelle is being careful with her spending so she can later purchase a house. She has allocated no more than $£855$£855 each month for both travel expenses and eating out. On average, every time she eats out it costs $£19$£19, and every travel journey costs $£9$£9.
Roxanne has set aside $£14.00$£14.00 in her shopping budget for fruit this week. Currently, oranges are on sale for $£1.40$£1.40 each, while apples are on sale for $£1.75$£1.75 each.