A restaurant sells appetizers for \2eachanddessertsforeach and desserts foreachanddessertsfor$3each.Inhowmanynon−negativeintegerwayscanyoubuyitemstotalingexactlyeach. In how many non-negative integer ways can you buy items totaling exactlyeach.Inhowmanynon−negativeintegerwayscanyoubuyitemstotalingexactly$18$?
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