Jackie has two summer jobs. She works as a tutor, which pays $12 per hour,and she works as a lifeguard,which pays $9.50 per hour. She can work no more than 20 hours per week,but she wants to earn atleast $220 per week. Which of the following systems of inequalities represents this situation in terms of x and y,where x is the number of hours she tutors and y is the number of hours she works as a lifeguard?

Marisa needs to hire at least 10 staff members for an upcoming project. The staff members will be made up of junior directors, who will be paid $640 per week, and senior directors, who will be paid $880 per week. Her budget for paying the staff members is no more than $9,700 per week. She must hire at least 3 junior directors and at least 1 senior director. Which of the following systems of inequalities represents the conditions described if x is the number of junior directors and y is the number of senior directors?

Which expression represents the number of hours in w weeks and d days?

Francine sells advertising time packages for a local television station. She is able to make up to 15 sales calls per week offering potentila advertisers either a prime time package for$\$12,000$ or a non prime time package for $\$8,000.$ Her weekly sales goal is to sell more than $\$20,000$ worth of advertising. Which of the following systems of inequalities represents this situation in terms of p, the number of prime time packages Francine sells in a week, n, the number of non prime time packages, and u, the number of unsuccessful sales calls for whihic she sells neither offering ?

The figure above shows the number of emails sent per day plotted against the number of hours an adult works on a computer per day. Which of the following best estimates the average rate of change in the number of emails sent compared to the number of hours working on a computer?

Lennon has 6 hours to spend in Ha Ha Tonka state park. He plants to drive around the park at an average speed of 20 miles per hour, looking for a good trail to hike. Once he finds a trail he likes, he will spend the remainder of his time hiking it. He hopes to travel more than 60 miles total while in the park. If he hikes at an average speed of 1.5 miles per hour, which of the following system of inequalities can be solved for the number of hours Lennon spends driving d, and the number of hours he spends hiking,h, while he is at the park?

A man earns $40 per hour as a consultant Additionally, he also earns $6 per hour as a content writer. He is only allowed to work 15 hours per week, but wants to make $450 per week. If n represent, the integer number of hours he works as a consultant, what is the least integer value of n?

Which expression represents 72 kilometers per hour expressed as meters per hour?

A man earns $40 for a period of 5 hours that he works per day. Thereafter , for every additional hour , he earns $5 per hour. If the man earns $P in a day working for t hours, where $t>5$ and is an integer , and $P\le 60$, which of the following sets of value of P and t satisfy the above conditions ?

Ken is working this summer as part of a crew on a farm. He earned $8 per hour for the first 10 hours he worked this week. Because of his performance, his crew leader raised his salary to $10 per hour for the rest of the week. Ken saves 90% of his earnings from each week. What is the least number of hours he must work the rest of the week to save at least $270 for the week?

Micro is paid $\$80$ per day plus $\$15$ per hour for overtime. If he works five days per week and wants to make a minimum of $\$520$ this week, what is the fewest number of hours of overtime he must work ?