If it takes a machine 2⁄3 minute to produce one item, how many items will it produce in 1 hours?  Choose one:  A) 1⁄3  B) 4⁄3  C) 90  D) 120  E) 180
1 item takes 2/3 min so it takes 60 min to produce x   2x/3=60 the x=90   Answer:90
<result>C</result>
If it takes a machine 2⁄3 minute to produce one item, how many items will it produce in 1 hours?