Karina buys lunch at the cafeteria for herself and her son. They both get a soda for $1.50. Karina gets an $8.00 sandwich for herself, and her son has the mac ’n’ cheese for $4.75. How much does Karina spend altogether on lunch?
Jamal just received a promotion at work, and now he wants to begin saving money. His new salary is $2,875 a month, and his bills come to $2,360 a month. He also wants to have some fun, so he plans to save half of what’s left over after paying his bills. How much will he save each month?
A teacher is handing out crayons to students that they will use in an art project, drawing either a landscape scene or a portrait of a family member. Of the students, 9 have chosen to draw a landscape, and 3 have chosen to draw a portrait. The teacher has 60 crayons and wants to distribute them equally. How many crayons should she give each student?
Tyler makes $80 of profit on every six pallets of strawberries he sells at his roadside stand. It takes two bales of straw to grow each pallet of strawberries. How many bales of straw will Tyler need to earn a $400 profit?
Kaitlyn lives 10 miles from her work. Each day, she travels at an average speed of 40 miles per hour to get to work in the morning. In the afternoon, due to heavier traffic, she averages only 30 miles per hour on the trip home. How much time does Kaitlyn spend traveling to and from work each day?
A therapist is considering jobs at two different clinics. Clinic A pays therapists $25 per client treated plus a flat weekly salary of $200, and each therapist is assigned 30 clients a week. Clinic B pays therapists $40 per client treated, with no additional salary. What is the minimum number of clients per week the therapist would need to treat at Clinic B to exceed the income he’d make at Clinic A?
A highway on-ramp contains a traffic light to regulate the flow of traffic onto the highway. The light allows one car to pass every 10 seconds, one car to pass every 15 seconds, or one car to pass every 20 seconds, depending on the flow of traffic on the highway. Which of the following expressions represents the number of cars, n, that can pass through this light in 15 minutes, assuming a continuous flow of cars?
Each day, 36 gallons of water are applied to a garden. One-fourth of this amount is used to grow vegetables. The water applied to the vegetables must first pass through a filter. The filter can process 360 gallons of water before being replaced, and it is only used to filter the water applied to the vegetables. After how many days will the filter need to be replaced?
Review your work using the explanations in Part Six of this book.