Answered

Last year, sales at a book store increased from $5,000 to $10,000. This year, sales decreased to $5,000 from $10,000. What percentage did sales increase last year? What percentage did sales decrease this year?

Verified Answer :

apocritia

Solution:

we are given that

Last year, sales at a book store increased from $5,000 to $10,000.

As we know that percentage increase is given by the formula

Percentage increase\(=\frac{change}{Initial}*100\)

Substitute the values we get

Percentage increase\(=\frac{10000-5000}{5000}*100\)

Percentage increase \(=\frac{5000}{5000}*100=100\) %.

This year, sales decreased to $5,000 from $10,000.

Percentage Decrease \(=\frac{change}{Initial}*100\)

Substitute the values we get

Percentage Decrease \(=\frac{10000-5000}{10000}*100\)

Percentage Decrease \(=\frac{5000}{10000}*100=50\) %.

20039785

Answer:

100%, 50%

Step-by-step explanation:

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