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Plz help me plz!!!!!(

Plz help me plz!!!!!(-example-1
User Joji
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1 Answer

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a. 15 × 1 1/2= 15/1 × 3/2= 45/2= 2 2/5

b.15min +1extra minute=16min. × 15 students =240min so no not enough time
User Jose Antonio
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