a video store sells about 150 DVDs a week at a price of $20 each. the owner estimates that for each $1 decrease in price, about 25 more DVDs will be sold each week. how can the owner maximize weekly revenue?

Students in a music program gradually increase the amount of time they practice. The first week, they practiced 20 minutes per day. Each week thereafter, they increased their practice time by 50% until they practiced an hour per day.

Parallel graph of 2x+y=5 y-intercept is (0,4)

Arjun can type 40 words per minute. Dalia can type 55 words per minute. If Arjun and Dalia each type for 30 minutes, about how many more words will Dalia type?

Karyn proofreads 15 pages in 2 hours for $40. How much does she receive on average for a page?

Everett and Marie are going to make brownies for their family reunion. They want to make 4 times the amount of the recipe makes. If the recipe calls for 2/3 cup of oil how much oil will they need?

A mom bakes a plate of cookies for her children. The first child comes home and eats 1/3 of cookies. Then her 2nd child comes in and eats the same amount. Finally her 3rd child comes in and also eats 1/3.

Cindy works part-time and earns $5.75 an hour 1 year she worked 50 weeks and average 12.4 hours of work per week about how much money did she earn that year?

To make hot chocolate, Raquel poured 3/8 cup of chocolate syrup into an empty mug then added 3/4 cup of hot milk. How much hot chocolate did Raquel make?

The total amount of weight on an airplane cannot exceed 2,500 pounds. The plane is carrying 1,750 pounds of luggage. The average weight of each passenger on the plane is 150 pounds.

Evaluate - 4x+y when x=5/4 and y=1/5. Write your answer as a mixed number in simplest form. When x=5/4 and y=1/5, - 4x+y = * blank* .