Problem of the Week

Feb 6, 2022 | Folsom

 

 

 

 

 

 

Did you figure it out?

 

Answer:  The area is 6 square feet and the perimeter is 10 feet. 

 

Solution:  If Adalyn folds the poster board hamburger style, then the new length of the sign will be half of 4 = 2 feet. Since its dimensions are now 2 feet by 3 feet, that means that the area is 2 × 3 = 6 square feet and the perimeter is 2 + 2 + 3 + 3 = 10 feet.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Did you figure it out?

Answer:  2 out of 9

Solution:  Dave has a 1/1 probability of going to whichever coffee shop he goes to. Tom then has a 2/3 probability of going to either of the two coffee shops where Dave didn’t go. If that happens, then there’s a 1/3 probability that Star will go to the remaining coffee shop. So, the probability that they all go to different coffee shops is 1/1 × 2/3 × 1/3 = 2/9.

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