Respuesta :
You need to subtract 27 from 40 so it should look like this 40-27= and 40-27=13 so he put 13 balls in each machine.
Answer:
Total Number of bouncy balls in two bags
=One bag contains 27 millimeter balls + One bag contains 40 millimeter balls
=27 +40
=67
Now ,67 balls are put equally in 2 machines.
67 is an odd number which can't be divided into equal parts.
→67=33(Machine 1) +34(Machine 2)
or
→67=34(Machine 1) +33(Machine 2)