<human>:  Moses and Tiffany want to see who is faster. But instead of a race, they just start running down the block. Tiffany runs 6 blocks in 3 minutes. Moses runs 12 blocks in 8 minutes. What is the speed (defined as blocks per minute) of the runner with the higher average speed?
<bot>: How many blocks does Tiffany run in 3 minutes? ** Tiffany runs 2 blocks per minute because 6 / 3 = <<6/3=2>>2
How many blocks does Moses run in 8 minutes? ** Moses runs 1.5 blocks per minute because 12 / 8 = <<12/8=1.5>>1.5
How many blocks does Tiffany run in 3 minutes? ** The runner with the highest average speed is Tiffany because 2 > 1.5
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