Writing and Solving Equations in Two Variables Answers

Chin canned a number of quart jars and a number of pint jars of tomatoes from his garden. A pint is 16 ounces and a quart is 32 ounces. The number of pints he canned is represented by p, and the number of quarts he canned is represented by q. Which equation models the scenario if Chin canned a total of 1,280 ounces?

Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of bottles she needs to sell to earn $100. 1.25x + 1.49 = 100What error did Barbara make in writing the equation?

Which shows the correct solution of the equation, when ?

What is the value of a in the equation , when ?

What is the value of x in the equation , when ?

What is the value of x in the equation 8x – 2y = 48, when y = 4?

Hanna shops for socks that cost $2.99 for each pair and blouses that cost $12.99 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 $43.92?

What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3?

The perimeter of the scalene triangle is 54.6 cm.Which equation can be used to find the value of b if side a measures 8.7 cm?

What is the value of x in the equation 2x + 3y = 36, when y = 6?