Question

Last week, 4/5 of the students in Mr. Zanker's class went on a field trip. 9/10 of

Answer 1

Answer:

The average of students in the two classes who went on the field trip is $\frac{17}{20}$.

Step-by-step explanation:

Average = $\frac{sum \: \: of \: \:observations }{no. \: \: of \: \:observations}$

Average of students in the two classes =

$\frac{ \frac{4}{5} + \frac{9}{10} }{2}$

$\frac{ \frac{8+9 }{ 10} }{2}$

$\frac{ \frac{17}{10} }{2}$

$\frac{17}{20}$