Answers LA-Algebra II AEquations in One Variable

Writing and Solving Equations in Two Variables Answers

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

4.6

8.4

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

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?

Barbara’s equation did not consider the number of bottles of water.

Barbara’s equation did not consider the number of bottles of iced tea.

Barbara’s equation did not use the correct price for the bottles of iced tea.

Barbara's equation did not use the correct total for sales.

An isosceles triangle in which the two equal sides, labeled x, are longer than side y.

2 x minus 2.1 equals 7.5

4.2 plus y equals 7.5

y minus 4.2 equals 7.5

2.1 plus 2 x equals 7.5

What is the value of x in the equation x – y = 30, when y = 15?

200

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

Chen is bringing fruit and veggies to serve at an afternoon meeting. He spends a total of $28.70 on 5 pints of cut veggies and 7 pints of cut fruit. The food cost is modeled by the equation , 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 $2.85, what is the approximate price of a pint of veggies? (Round to the nearest cent, as needed.)