If it takes 3 hrs to bake 5 pies, how long will it take to bake 3 pies?

108 minutes to bake 3 pies

9/5th or 1.8 hours. First you have to set up the equation where the number of pies is divided by the number of hours and setting that equal to three pies over X. After cross multiplying and dividing you get the answer 9/5th.