231k views
4 votes
In a classroom,

3
-
10
of the students are wearing blue shirts , and
3
-
5
are wearing white shirts. There are 30 students in the classroom. How many students are wearing shirts other than blue shirts or white shirts?

User Sgb
by
6.4k points

2 Answers

4 votes

Answer:

i did this question b4 but completely forgot the answer ://

Explanation:

User Pixou
by
7.2k points
2 votes

so first you have to make a common denominator of 30 to see how many people in the class.

3/10 • 3 = 9/30
3/5 • 6 = 18/30

then you have to add them together.

18 + 9 = 27

then you subtract 30 from 27.

30 - 27 = 3

so 3 students are wearing shirts other than blue or white
User Se Won Jang
by
7.5k points
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