1. At a restaurant the cost for a breakfast taco and a small glass of milk is $2.10. The cost for 2 tacos and 3 small glasses of milk is $5.15. Which pair of equations can be used to determine t, the cost of a taco, and m, the cost of a small glass of milk?

Q: 6+: 2. y = . +3 y%3D = -8 3D3 2. y = x +8 x – 2y = 18 2r + y = 6 %3D D

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Q: What is the result of adding these two equations? 2x + 3y = -5 5x – y = -12

A: See attached file for a step by step explanation.

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A:

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A: Please refer to the image below

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A: We will find the linear eq. as following.

Q: 2. Determine the values of the variables to satisfy the equation. Ans. a = 10, b = 5 5a – 2b = 40

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A: given

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A: We have to plug x=1 then find y.

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A: Find x and y .

Q: y 11 1. -1 -7 5n

A:

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A: Linear equation

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A: charges=$1.75 per hour C=cost in dollars t= time in hours

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