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3 years ago

A book store is having a 30% off sale. Diary of a wimpy kid books are now $6.30 each. What was the original price of the books?

Mathematics

1 answer:

inn [45]3 years ago

5 0

6.30x0.3= 1.89

6.30+1.89=8.19

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Answer:

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Step-by-step explanation:

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<u>Expand the terms in the bracket</u>

That's

$8( \frac{1}{2} x) - 8( \frac{1}{4} ) > 12 - 2x \\ 4x - 2 > 12 - 2x$

Move -2x to the other side of the inequality

$4x + 2x - 2 > 12 \\ 6x - 2 > 12$

<u>Move - 2 to the other side of the inequality</u>

$6x > 12 + 2 \\ 6x > 14$

Divide both sides by 6

$\frac{6x}{6} > \frac{14}{6} \\$

We have the final answer as

$x > \frac{7}{3} \\$

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