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

[BTGmoderatorDC]

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

[swerve]

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