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stepan [7]
3 years ago
12

Find the value of X and Y

Mathematics
1 answer:
shepuryov [24]3 years ago
6 0

Answer:  x=2  y=152

Step-by-step explanation:

9x + 10 = 15x - 2   They are  corresponding angles.

       9x = 15x - 12    [Subtract 10 from the both side]

      -6x = -12           [Subtract 15x from both side]

         x = 2             [Divide -6 from both side]

(9x + 10) + y = 180  

[9(2) + 10] + y = 180

    28 + y =   180

            y = 152

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The 45% off discount saves an additional $10 compared to the 15% discount for a total of $15 off regular price.

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We can find the original price of the game through a proportion. A proportion is an equation where two ratios or fractions are equal. The ratios or fractions compare like quantities. For example, we will compare percent over percent to an equal ratio  of $ to $. Since 15% of 100% is the same ratio as $5 to the unknown original $ price, I write:

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