Answer:
0.06 pound more butter than sugar was used.
Step-by-step explanation:
Given:
ZACH made a batch of cookies with 2/7 of a pound of butter and 2/9 of sugar.
Now, to find more butter than sugar was used.
First we convert the fractions into decimals:
Pound of sugar = 2/9 = 0.22.
Pound of butter = 2/7 = 0.28.
Then, to get the how much more butter is used we subtract:
Pound of butter - pound of sugar.
[tex]=0.28-0.22[/tex]
[tex]=0.06[/tex]
Therefore, 0.06 pound more butter than sugar was used.