She used one 1/8 cup of mixture to make pancakes. Robin mix 134 of milk and 1/2 cups of cream how much of the mixture made
To find out how much of the mixture Robin used to make pancakes, we need to add the amounts of milk and cream she used.
1/4 cup (1/8 + 1/8) = 0.25 cups
So, Robin used 0.25 cups of the mixture to make pancakes.