Answer:
3/20 of more meat is used for a quarter pound.
Explanation:
Cheese burger has 1/10 pound of meat.
A quarter pound has 1/4 of meat.
To find the additional amount of meat that is used in a quarter pound, we need to subtract.
Subtract 1/10 from 1/4.
Hence, 3/20 of more meat is used for a quarter pound.