Answer:
Explanation:
She keeps 36 cookies. First, add the total amount of cookies she baked. Since there are 12 to a dozen, you will find that she baked 108 cookies. Then, subtract 72, because she gave away a total of 6 dozen cookies. (2.5dozen+1.5dozen=4 dozen). When 72 is subtracted from 108, you are left with a total of 36.
And there you have it! hope this helped!