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18-10-2017
Mathematics

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Chang made $247 for 13 hours of work at the same rate,how many hours would he have to work to make $323?

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texaschic101 texaschic101

18-10-2017

247 / 13 = 323 / x....247 to 13 hrs = 323 to x hrs
cross multiply
(247)(x) = (323)(13)
247x = 4199
x = 4199 / 247
x = 17 hrs <===

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Аноним Аноним

18-10-2017

247 / 13 = 19

He makes $19 an hour.

323 / 19 = 17

He will need to work 17 hours to earn $323.

Hope this helps!

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