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hina started a game at 6:39 PM and finished it at 7:18 PM How long did it take her?

Sagot :

Notice that 7:00 PM falls between 6:39 PM and 7:18 PM.

Add the differences between 6:39PM and 7:00PM and from 7:00PM to 7:18PM.

There are 21 minutes between 6:39PM and 7:00PM, and there are 18 mintues from 7:00PM to 7:18PM.

[tex]21+18=39[/tex]

Therefore, there are 39 minutes between 6:39PM and 7:18PM.

The game took her 39 minutes.