famousshorty

20.04.2021 • 

Mathematics

A study showed that the ratio of the number of people who get their news from print sources to the number of people who get their news from social media sources is 3.7. Based on the ratio, how many people in a town of 900 people get
their news from social media sources?
Two classmates solved this problem and their work is shown below. Which classmate solved the problem correctly?
Explain the error in the classmate who solved it incorrectly
Abeer's Method
10 total parts
900 total people
900 - 10 = 90
Each part=90
Print
90
90 90
Social Media
90
90
90
90 90
90
<
90 X 7 = 630
630 people get their news from social media sources
Jillian's Method
X 300
Print Sources
3 people
900 people
Social Media Sources
7 people
2,100 people
x 300

Ответ:

sarah121868

27.02.2021

Mathematics

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C = m x 325 or c = 325 x m, with c as the total number of chairs in all meeting rooms of the hotel, m as the number of meeting rooms in the hotel

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