The fraction of cake Veronica's mom will eat is 1/4
The first step is to write out the parameters
Veronica's mom left 3/4 of a cake on the table
Her brothers ate 1/2 of the cake
The amount of cake that would be left for her can be calculated as follows
= 3/4 - 1/2
= 1/4
Hence Veronica's mom will have a fraction of 1/4 left
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