Problems of the Week - July 19 to July 25

Rewards for Problems of the week:

5 stars for the correct answer at your level; 10 stars for the next level; 20 stars for 2+ levels up.

 Lower Elementary:

Question: Babs has a handful of 24 cheese crackers. If she eats half of them, then eats half of what’s left, how many cheese crackers will Babs have left?

Upper Elementary:

Question: Each candle will burn for 30 minutes. How many candles will you need for a power outage that lasts 3 hours and 45 minutes?

Middle School: 

Question: What’s the probability of tossing the same face of a coin in a fair coin toss three times in a row?

Algebra and Up: 

Question: A bunch of bananas and a cantaloupe together weigh 6 pounds. A papaya and a cantaloupe together weigh 5 pounds. A papaya and a bunch of bananas together weigh 4 pounds. Find the weight of each fruit.

Challenge problem to take home. 10 stars for the correct answer. 

Pictured below are a regular hexagon and the same hexagon stellated into a star:

If the area of the hexagon is 25 square units, what is the area of the star?