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## Answers

1 h=60 mins

2 h=60x2=120 min

1/2 h=30min

therefore 2 1/2 h=120+30

=150mins

2 h=60x2=120 min

1/2 h=30min

therefore 2 1/2 h=120+30

=150mins

An easy way to the this is to convert 21/2 to decimal which is 10.5 , then multiply

10.5 X 60 = 630.0 which is 630