annabear7577 annabear7577

24-04-2018
Mathematics

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Martha finds that her watch gains 2 minutes in 6 hours. how much will it gain in 19.5 hours? a 0.615 minutes b 1.625 minutes c 6.5 minutes d 58.5 minutes

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Аноним Аноним

24-04-2018

6 hours gain 2 mins
19.5 hours gain x mins

[tex]6x = 19.5 \times 2 \\ 6x = 39 \\ x = 6.5[/tex]

Answer is C. 6.5 minutes

Hope this helps you. - M

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