Ximena gave out a survey to some students in her school about their favorite color. students could choose between red and blue. 180 of those surveyed said their favorite color was red. 55% of the students surveyed said their favorite color was blue. how many students were surveyed in total?

Respuesta :

Answer:

Step-by-step explanation:

what we know is that 45% of the total was 180 (they voted red)

55% of the total voted blue.

To find the total, we need to set up a cross-multiplication equation

180/45 = ?/100

180 times 100 is 18000

18000/45 = 400

400 students were surveyed in total

we can check this by getting 55% of this, and adding it to 180.

If it equals to 400, then we're right.

55% of 400 = 220

220 + 180 = 400

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