a machine stamps 720 bottles in 2 minutes.how many bottles will it stamp in 40 seconds
a machine stamps 720 bottles in 2 minutes.how many bottles will it stamp in 40 seconds.
2 minutes=60 x 2 =120 seconds
720/120 =6 bottles per second that the machine stamps.
6 x 40 =240 bottles the machine will stamp in 40 seconds.
