A pancake

A pancake recipe requires 1 2/3 cups of flour to make 20 pancakes, and you have 9 cups of flour. How many pancakes can you make with 1 cup of flour? How many pancakes can you make with 9 cups of flour?

Correct answer:

n1 =  12
n9 =  108

Step-by-step explanation:

m20=132=1+32=31 3+2=33+2=35=1321.6667 c m1=m20/20=35/20=3 205=605=1210.0833 c  M1=1 c  n1=M1/m1=1/121=1:121=1 112=11 12=112=12
M9=9 c  n9=M9/m1=9/121=9:121=9 112=19 12=1108=108



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