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AnnZ [28]
3 years ago
12

(HELP! I HAVE NO TIME) At 2pm, a store had sold 15 packs of toilet paper. By 5pm, the store had sold 57 packs of toilet paper. W

hat is the average rate of change?
Mathematics
2 answers:
Stolb23 [73]3 years ago
7 0

Answer:

  • 14 packs per hour

Step-by-step explanation:

  • 2pm ⇒ sold 15 packs  
  • 5pm ⇒ sold 57 packs

Average rate of change = change in sale/ change in time

  • (57 - 15) / (5 - 2) =
  • 42/3 =
  • 14 packs per hour
Novay_Z [31]3 years ago
4 0

\mathrm {Hey, there!}

Let's solve your problem:

The answer would be 280%.

We know the following information:

2pm - 15 toilet paper rolls

5pm - 57 toilet paper rolls

We have to find the <u>percent rate of change.</u>

Here is how we will do this problem:

<h3><u>First, Set up a ratio:</u></h3>

Change in the quantity [15 - 57]

-------------------------------------

Original quantity [15]

57 - 15 = 42

<h3><u>Next, we will divide. the ratio.</u></h3>

Given quantity - 42

Number of packs sold at 2pm - 15

Fraction - 42/15

<h3><u>Convert the fraction to a decimal.</u></h3>

Fraction - 42/15

Decimal - 2.8

<h3><u>Make the decimal to a percent.</u></h3>

Decimal - 2.8

Percent - 28%

<u>Add a zero to the 28.</u>

<h2><u>Our answer is 280%</u></h2>

<h3></h3>

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