Answer:
 8 groups
Step-by-step explanation:
The number of possible groups can be found from ...
 (10.5 cups)/(1.2 cups/group) = 8.75 groups
Ms. Paulino has enough candy to give the exact amount required to 8 groups.
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She will have (3/4)×(1 1/5) = 9/10 of a cup of candy left over.