The predicted number of messages per person per day in 2019 is how many times the estimated number in 2015? (round your answer to two decimal places.)

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25-08-2022
Mathematics

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The predicted number of messages per person per day in 2019 is how many times the estimated number in 2015? (round your answer to two decimal places.)

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joaobezerra joaobezerra · Answer 1 · 2022-08-29T08:21:54-04:00

Using proportions, it is found that the predicted number of messages per person per day in 2019 is 1.05 times the estimated number in 2015.

What is a proportion?

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

Researching this problem on the internet, it is found that in 2015, there were:

2586 million users.

205,600 million messages.

Hence the number of messages per person is given by:

205600/2586 = 79.5.

For 2019, we have that there were:

2943 million users.

246,500 million messages.

Hence the number of messages per person is given by:

246500/2943 = 83.76.

The proportion between these two amounts is given by:

83.76/79.5 = 1.05.

The predicted number of messages per person per day in 2019 is 1.05 times the estimated number in 2015.

More can be learned about proportions at https://brainly.com/question/24372153

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