3 years ago

A backpack normally costs 25 dollars but it is on sale for 21 dollars. What percentage is the discount?

Mathematics

1 answer:

Fofino [41]3 years ago

5 0

The packpack is 84% off.

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Solve each proportion.<br> 1) 4/7 =2/n

Ivan

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$\frac{4}{7} = \frac{2}{n} \\$

Inverse both sides

$\frac{7}{4} = \frac{n}{2} \\$

$\frac{n}{2} = \frac{7}{4} \\$

Multiply sides by 2

$2 \times \frac{n}{2} = 2 \times \frac{7}{4} \\$

$n = \frac{7}{2} \\$

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3 years ago

Can you help me with these questions<br>

dlinn [17]

Answer:

see below (I hope this helps!)

Step-by-step explanation:

41. √20 = √4 * 5 = √4 * √5 = 2√5

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45. 15 + 5(2x - 3) = 15 + 5(2x) + 5(-3) = 15 + 10x - 15 = 10x

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4 years ago

The sum of three decimal numbers is six exactly one of the numbers is less than one what could those numbers be

kompoz [17]

2+3.5+.5 could be a possible answer

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3 years ago

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Margarita [4]

Answer: 2

Step-by-step explanation:

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3 years ago

Lyle shot three times as many baskets as cliff, while kyle shot 12 more baskets than cliff. if lyle and kyle shot the same numbe

olga_2 [115]

12x3=36 its that simple m8

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4 years ago