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A scientist worked at NASA today. The scientist started working at 8:30 this morning and worked for 7 hours and 15 minutes. What time did the scientist stop working?
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22 votes
A scientist worked at NASA

today. The scientist started
working at 8:30 this morning
and worked for 7 hours and
15 minutes. What time did
the scientist stop working?

User Karamazovbros
by
4.1k points

1 Answer

5 votes
The scientist stopped working as 3:45pm.

Add 4 hours to 8 it’d be 12, making it pm, then add 3 more, completing the seven, it’d be 3pm. Now add back the 30 minutes, it’s 3:30pm. But there’s still 15 more minutes, so 30+15=45. Thus the 45 minutes.
User Kevin Tsoi
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4.3k points
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