Question

A machine factory fills 20 bottles per minute. what is the unit rate?

Answer 1

Unit rate - production in one second

20 bottles - 1 min

1 min - 60 seconds

20 bottles - 60 seconds

20 : 60 : : x : 1

20 = 60x

x = 20 / 60

x = 1/3

1/3 rd bottle is produced in one second

Hope helps!