Mathematics, 11.03.2021 18:00, nxusasmangaliso7596

A school district is planning on buying new desks for its classrooms. Each secondary classroom is to have 10 more desks than an elementary classroom. For 15 elementary classrooms and 35 secondary classrooms, a total of 1200 desks are needed. The system of equations below represents this situation, where x represents the number of desks in an elementary classroom and y represents the number of desks in a secondary classroom. Which equation can be used to determine the number of desks in a elementary classroom, when solving by substitution?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:10, trint4

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Answers: 2

continue

Mathematics, 21.06.2019 16:00, ayoismeisjjjjuan

Which shows the pre image of triangle xyz

Answers: 1

continue

Mathematics, 21.06.2019 17:30, cocothunder635

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

Answers: 3

continue

Mathematics, 21.06.2019 20:00, edjiejwi

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

Answers: 2

continue

Do you know the correct answer?

A school district is planning on buying new desks for its classrooms. Each secondary classroom is to...