Students were surveyed about their favorite colors. 1/4 of the students preferred red, 1/8 of the students preferred blue, and 3/5 of the remaining students preferred green. If 15 students preferred green, how many students were surveyed?
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Answer: 25 people
Step-by-step explanation
Since 3/5 of the remaining students preferred green, and the number of that is 15, you can put that under the fraction of 15/x, x being the variable, the total number of students. You can assume that 3/5= 15/x. To solve this, you can use cross multiplication, 5 times 15 is 75 and then 75 divided 3 is 25, which is the solution for x, which is also the solution for the problem, 25 people.
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