SOLUTION: Tony worked 9/10 of an hour on a technology project. Then he worked 7/10 of an hour on a math assignment. how many hours did he work in all?

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Question 422367: Tony worked 9/10 of an hour on a technology project. Then he worked 7/10 of an hour on a math assignment. how many hours did he work in all?
Answer by stanbon(75887) About Me  (Show Source):
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Tony worked 9/10 of an hour on a technology project. Then he worked 7/10 of an hour on a math assignment. how many hours did he work in all?
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(9/10)+(7/10) = 16/10 = 1.6 hrs
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Cheers,
Stan H.