Question

2. On Friday, 3 of the students in class wore red shirts. What fraction of the students did NOT wear red shirts? 1 } } } 7 7 }

Answer 1

When we express a proposition, the denominator determines the total

for example

`(2)/(7)`

is a part of total

`(7)/(7)`

is 2/7 wore red shirt, how much is left for the total?

`\begin{gathered} (7)/(7)-(2)/(7) \\ \\ (7-2)/(7)=(5)/(7) \end{gathered}`

5/7 Did not wear red shirts