47% of the students in a class of 36 students has glasses or contacts. How many students in the class have either glasses or contacts?
Choose the correct choice from the following options.
A) 15	B) 16	C) 17	D) 18	E) 19
a=r⋅b   47%=0.47a   =0.47⋅36   a≈17   Option 17 is correct.
<result>C</result>
47% of the students in a class of 36 students has glasses or contacts. How many students in the class have either glasses or contacts?