Question

I need help ASAP!! homework problem is the file keep it simple but not to complicated

Answer 1

Check the picture below.

so we know the Blondies are 3x3 and the Brownies are 6x6, and we also know there are four rows of each, hmmm how many columns of each anyway?

well, from the picture, we can see 4 rows of Blondies will be 12 in tall and 4 rows of Brownies will be 24 inches tall, so since the tray is full, it's width must be 12 + 24 = 36 inches, that means if it's width is 36 then

`648=\stackrel{ width }{36}\cdot \stackrel{ length }{L}\implies \cfrac{648}{36}=L\implies 18=L`

now, how many Blondies can we fit in 18 inches? well, we can fit 6 blondies, as you can see in the picture, how much area are they all Blondies taking up? well, 12 * 18 = 216 in², hmmm what fraction of the tray is that?

`\cfrac{216}{648}\implies \cfrac{1}{3}\qquad \textit{of the tray}`