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12 out of every 15 people in the United States preter eating at & restaurant
over cooking at home. If 400 people selected eating at a restaurant on the survey, how many people
took the survey?
15
B
er
son
total people


Sagot :

Answer:

500

Step-by-step explanation:

Out of every 15 people, there are 12 people who prefer eating at restaurants which means that 80% of people (12/15=.8) prefer eating out.

If 400 selected eating at restaurants in a survey, this accounts for 80% of the people that voted.

We can simplify this now to 20%=100 people because 80% is also four-fifths of 100% and the remaining one-fifth will equal 100 people. (400/4=100)

Since the remaining 20% is 100 people, we can do 400+100= 500 people that participated in the survey.

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