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Nina [5.8K]
4 years ago
5

How to solve for x and y

Mathematics
1 answer:
MrRissso [65]4 years ago
8 0
Use elimination to solve for x and y

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what is the common number to be subtracted from each term of the ratio 11:8 to get the new ratio 2:1.?​
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Answer:

5 should be subtracted  from each term

Step-by-step explanation:

\frac{11-x}{8-x}=\frac{2}{1}

Cross multiply,

1 * (11 - x) = 2*(8-x)

11 -x = 2*8 - 2*x

11 - x = 16 - 2x

Subtract 11 from both sides,

-x = 16 - 2x - 11

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Add 2x to both sides

-x +2x = 5 - 2 + 2x

x = 5

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The regular price of a hoodie is $70. There is a sale price of 25% OFF the regular price. What is the sale price?​
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Exact Form:

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