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14-01-2016
Mathematics

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he has 3/4 hour to make invitations. It takes him 1/12 of an hour to make each card. How many invitations can he make?

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14-01-2016

3/4 hour
1/12 hour

he has 45 mins to make cards
he can make 1 card in 5 mins

45 divided by 5 is 9

He can make 9 cards in 3/4 of an hour.

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