Ask your own question, for FREE!
Mathematics 19 Online
OpenStudy (anonymous):

mary and her brother john collect foreign coins. mary has three times the number of coins john has. together they have 180 foreign coins. find how many coins mary has.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!