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2 years ago

The marked price of a textbook is $20. A school is given a 6.5% discount. Find the amount of money the

Mathematics

2 answers:

ladessa [460]2 years ago

6 0

6.5% of 20 is 1.3
20-1.3 = 18.7 (new price with discount)

18.7x200 = $3740

joja [24]2 years ago

4 0

7 times200=1,400 that’s your answer to your problem

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$y\geq x-2$

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Step-by-step explanation:

step 1

Find the equation of the first inequality

Find the equation of the first solid line

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$m=\frac{y2-y1}{x2-x1}$

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Remember that

Everything to the left of the solid line is shaded

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step 2

Find the equation of the second inequality

Find the equation of the second dashed line

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(0,2) and (4,0)

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$m=\frac{y2-y1}{x2-x1}$

substitute the values

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$y=mx+b$

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$y=-\frac{1}{2}x+2$

Remember that

Everything below and to the left of the line is shaded

The inequality is

$y$

Rewrite

Multiply by 2 both sides

$2y$

$x+2y$

therefore

The system of inequalities is

$y\geq x-2$

$x+2y$

see the attached figure to better understand the problem

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