Mathematics, 08.11.2019 07:31, dai77

Evan has a shell collection. on monday he found 6 new shells. on tuesday , he gave 9 shells to his friends. after giving the shells away, evan had 37 shells left. how many shells did evan have to begin with?

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Evan has a shell collection. on monday he found 6 new shells. on tuesday , he gave 9 shells to his f...