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Liono4ka [1.6K]
3 years ago
10

Minus then changes from 115.5 inches tall to 23.1 inches tall. What percent of change is that?

Mathematics
1 answer:
strojnjashka [21]3 years ago
4 0

Answer:

80%

Step-by-step explanation:

23.1/115.5=0.2

1-0.2=0.8=80%

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3 years ago
Hong reads 9 3/4 chapters in 3 3/8 hours. What is the unit rate in chapters per hour? Write your answer as a fraction or a mixed
Sav [38]

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Step-by-step explanation:

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Unit rate is calculated by dividing the total chapters by total time

So,

Unit\ rate = \frac{\frac{39}{4}}{\frac{27}{8}}\\= \frac{39}{4} * \frac{8}{27}\\= 13 * \frac{2}{9}\\=\frac{26}{9}\\=2\frac{8}{9}

Hence,

The unit rate is: 2\frac{8}{9} chapters per hour

Keywords: Unit rate, fractions

Learn more about fractions at:

  • brainly.com/question/5998244
  • brainly.com/question/5924921

#LearnwithBrainly

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