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Machine A can make 350 widgets in 1 hour, and machine B can make 250 widgets in 1 hour. If both machines work together,

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by BTGmoderatorDC » Fri Jan 15, 2021 5:02 pm
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Machine A can make 350 widgets in 1 hour, and machine B can make 250 widgets in 1 hour. If both machines work together, how much time will it take them to make a total of 1000 widgets?

A. 1 hour and 20 minutes
B. 1 hour and 24 minutes
C. 1 hour and 30 minutes
D. 1 hour and 36 minutes
E. 1 hour and 40 minutes


OA E

Source: Magoosh
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Re: Machine A can make 350 widgets in 1 hour, and machine B can make 250 widgets in 1 hour. If both machines work togeth

by swerve » Fri Jan 15, 2021 6:08 pm
BTGmoderatorDC wrote: ↑
Fri Jan 15, 2021 5:02 pm
 Machine A can make 350 widgets in 1 hour, and machine B can make 250 widgets in 1 hour. If both machines work together, how much time will it take them to make a total of 1000 widgets?

A. 1 hour and 20 minutes
B. 1 hour and 24 minutes
C. 1 hour and 30 minutes
D. 1 hour and 36 minutes
E. 1 hour and 40 minutes


OA E

Source: Magoosh
\((350+250)t=1000\)
\(600t=1000\)
\(t=\dfrac{5}{3}\)
\(t=1\) hour and \(40\) minutes \(\color{black}\Longrightarrow\) E
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