Mathematics, 04.09.2019 16:30, kelseypichla

Mark, sam, and alvin were participating in a litter campaign on monday for the
school playground. each boy collected 20 pieces of litter, but after they put their
litter together, the wind blew 14 pieces away. how many pieces of litter were left?
1. inc
problem solving experiences in mathematics
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Mark, sam, and alvin were participating in a litter campaign on monday for the
school playgrou...