Question

There were 60 balls stored in the gym. Of those, 40% were used at recess. The rest were reserved for P.E. class. How many balls were available to play with during P.E. class?

Answer 1

if 40% were used at recess, then 60% were used for P.E. class

60% of 60.....turn percent to decimal..." of " means multiply
0.6 (60) = 36 <==