SOLUTION: 10% of our class of 40 was unable to join the field trip. How many in our class joined the field trip

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: 10% of our class of 40 was unable to join the field trip. How many in our class joined the field trip      Log On


   

Question 1102857: 10% of our class of 40 was unable to join the field trip. How many in our class joined the field trip
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
10% of 40 = 4
40 - 4 = 36
36 were able to join the field trip.
4 were not.

100% - 10% = 90%
10% couldn't join.
90% could.
90% of 40 = .9 * 40 = 36