In a survey, one out of five people named blue as their favorite color. Three out of ten named red. If 1,100 people were included in the survey, how many named blue or red as their favorite color

Question

Mathematics

Jazmin Ayala

10 June, 19:26

In a survey, one out of five people named blue as their favorite color. Three out of ten named red. If 1,100 people were included in the survey, how many named blue or red as their favorite color

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Answers (1)

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Mayra Key · Answer 1

1/5 = x/1100

5x = 1100

x = 1100 : 5

x = 220

So 220 people named blue as fav.

3/10 = x/1100

3x = 1100

x = 1100 : 3

x = 366.6666 ... = 367

So 367 people chose red