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A machine produces 312 bolts in 30 minutes. At the same rate, how many minutes would it takes to produce 260 bolts.
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Feb 9, 2017
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A machine produces 312 bolts in 30 minutes. At the same rate, how many minutes would it takes to produce 260 bolts.
Mathematics
high-school
Jan Zich
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Jan Zich
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It would take 26 minutes to produce about 260 bolts
How I did it-
312/30= 10.4
10.4= Bolts per minute You have to round= 10
260/10= 26
26 minutes
Svimre
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Feb 11, 2017
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Svimre
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Hi
312 bolts ⇒ 30 min
260 bolts ⇒ x min
312x = 30·(260)
312x = 7800
x = 7800/312
x = 25 min
Answer: 25 minutes
Nhan Phan
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Feb 14, 2017
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Nhan Phan
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