Respuesta :
Answer:
[tex]35\ days[/tex]
Step-by-step explanation:
step 1
Find the area of the trapezoid (brownie pan)
[tex]A=\frac{1}{2}(29+41)20=700\ cm^{2}[/tex]
step 2
To find the number of days , divide the area of the brownie pan by 20 square centimeters of brownie
[tex]\frac{700}{20}=35\ days[/tex]