in the morning a farm worker packed 3 pints of strawberriesevery 4 minutes.in the afternoon she packed 2 pints of strawberries every 3 minutes,. what was the difference between her morning and afternoon packing rates,in pints per hour?

In the morning
 (3/4) (strawberries / minutes) * (60/1) (minutes / hours) = 45 (strawberries / hours)
 in the afternoon
 (2/3) (strawberries / minutes) * (60/1) (minutes / hours) = (40 strawberries / hours)
 the difference between your morning and afternoon packing rates, in pints per hour is
 45-40 = 5 (strawberries / hours)