2 years ago

Plz help me plz!!!!!(

Mathematics

1 answer:

Gre4nikov [31]2 years ago

5 0

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

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