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LiRa [457]
3 years ago
8

In a sale, there is 50% off all prices. A chair costs £17.50 in the sale. How much was it before the sale?

Mathematics
2 answers:
HACTEHA [7]3 years ago
7 0
£17.50 is 50% of what number
Now the same in math:
£17.50 = .50 x n pr £17.50 = .5n
Divide both sides by .5
n= £ 35
Gemiola [76]3 years ago
6 0
Do 17.50 * 2 and youll get the answer so 17.50 * 2 is 35
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Answer:

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Step-by-step explanation:

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2 years ago
What is 3a+2c=26 solve for a and c
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Simplifying

3a + 2b + c = 26

Solving

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Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

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3a + 2b + -2b + c = 26 + -2b

Combine like terms: 2b + -2b = 0

3a + 0 + c = 26 + -2b

3a + c = 26 + -2b

Add '-1c' to each side of the equation.

3a + c + -1c = 26 + -2b + -1c

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Simplifying

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3 years ago
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