Hello12341 Hello12341

03-03-2017
Mathematics

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a machine paints 340 toy boats in 45 minutes. Which expression equals the unit rate per hour? A: 3/4/340. B: 45/350 C: 340/3/4 D: 340/45

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Dave1357 Dave1357

03-03-2017

340 in 0.75 hours. Divide both sides by 0.75, therefore 340/0.75 in 0.75/0.75 hour.
So 453.33 in one hour.(453.33 units per hour)

Hope it helps! :D

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03-03-2017

60 × 340/5

4 × 340/3

340/3/4

The correct answer is C

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