The town librarian bought a combination of new-release movies on DVD for 20 dollars and classic movies on DVD for 8 dollars Let x represent the number of new releases, and let y represent the number of classics. If the librarian had a budget of 500 dollars and wanted to purchase as many DVDs as possible, which values of x and y could represent the number of new-release and classic movies bought?
Barbara sells iced tea for 1 point 4 9 dollars per bottle and water for 1 point 2 5 dollars per bottle. She wrote an equation to find the number of bottles she needs to sell to earn 100 dollars 1 point 2 5 x plus 1 point 4 9 is equal to 100 What error did Barbara make in writing the equation?
Last month Maria hiked a total of 90 miles on two trails: a 5 -mile mountain trail and a 10 -mile canal trail. Let x represent the number of times Maria hiked the mountain trail, and let y represent the number of times Maria hiked the canal trail. Which equation can be used to find the number of times Maria hiked each trail?
What is the value of a in the equation 3 a plus b is equal to 54 , when b is equal to 9 ?
What is the value of m in the equation 1 half m minus 3 fourths n is equal to 16 , when n is equal to 8 ?
Hanna shops for socks that cost 2 point 9 9 dollars for each pair and blouses that cost 12 point 9 9 dollars each. Let x represent the number of pairs of socks purchased, and let y represent the number of blouses purchased. Which equation models the purchases she made with 43 point 9 2 dollars ?
What is the value of x in the equation 4 x plus 8 y is equal to 40 , when y is equal to 0 point 8 ?
Chen is bringing fruit and veggies to serve at an afternoon meeting. He spends a total of 28 point 7 0 dollars on 5 pints of cut veggies and 7 pints of cut fruit. The food cost is modeled by the equation 5 v plus 7 f is equal to 28 point 7 0 , where v represents the cost of one pint of cut veggies and f represents the cost of one pint of cut fruit. If the cost of each pint of fruit is 2 point 8 5 dollars , what is the approximate price of a pint of veggies? (Round to the nearest cent, as needed.)
What is the value of x in the equation 7 x plus 2 y is equal to 48 , when y is equal to 3 ?
The perimeter of the scalene triangle is 54 point 6 cm. Open image in full-screen view Which equation can be used to find the value of b if side a measures 8 point 7 cm?
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