7(2e-1)-3=6+6e
14e-7-3=6+6e
14e-10=6+6e
+10 +10
14e=16+6e
-6e -6e
8e=16
8e/8=16/8
E=2
Liam should use one cup of sugar for each three cups of flour. This is the correct ratio because it's what the recipe calls for.
The answer is a
this is because the shape increased in size by a factor of 2