Answer:
8/3 or 2 2/3
Step-by-step explanation:
Answer:

Step-by-step explanation:
step 1
Find the area of the trapezoid (brownie pan)

step 2
To find the number of days , divide the area of the brownie pan by 20 square centimeters of brownie

The opposite of 17.2 from 0 on a number line would be -17.2.