Mathematics, 15.12.2020 23:30 einstein101

A sports store had 60 backpacks in stock, some with wheels and some without wheels, before a new shipment of backpacks arrived. The number of wheeled backpacks in the new shipment was twice the number
of wheeled backpacks already in stock, and the number of backpacks without wheels in the new shipment
was five times the number of backpacks without wheels already in stock. After the new shipment arrived, there
were 330 backpacks in the store. Before the new shipment, there were x wheeled backpacks and y
backpacks without wheels. Which of the following equations can be used with x + y = 60 to solve for x and y?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, madisonvinson0

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Answers: 1

continue

Mathematics, 21.06.2019 18:40, tiffg2588

Which compound inequality could be represented by the graph?

Answers: 1

continue

Mathematics, 21.06.2019 19:00, lexipooh7894

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)

Answers: 1

continue

Mathematics, 21.06.2019 21:40, dededese2403

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Answers: 1

continue

You know the right answer?

A sports store had 60 backpacks in stock, some with wheels and some without wheels, before a new sh...