Problems of the week - September 14 to September 19

Rewards for Problems of the week:

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

Lower Elementary:

Question: Natalie prepares 16 ounces of broccoli for family dinner night. Each of the 4 people in Natalie’s family eat the same amount of broccoli, and there are 4 ounces of broccoli left over. How many ounces of broccoli does each family member eat?

Upper Elementary:

Question: William used to drink 6 cans of soda per day, but he decided to replace his soda with bottled water. If a can of soda costs $0.85 and a bottle of water costs $0.75, then how much money does William save each week by swapping from soda to water?

Middle School:

Question: A 12-ounce steak has 92 grams of protein. A 6-ounce serving of chicken has 52 grams of protein. A 9-ounce serving of salmon has 63 grams of protein. If Mason wants to cook the option with the most protein per ounce, then which should he choose?

Algebra and Up:

Question: A 16–ounce green smoothie with 1 scoop of super vitamin powder costs $4.85. A 16–ounce green smoothie with 3 scoops of super vitamin powder costs $5.55. Write a function of x, the number of scoops of super vitamin powder, that yields the cost of a green smoothie.

Challenge problem to take home. 20 points for the correct answer. 

In a race between four friends, Penny, Manny, Finn and Annie, only two of them finish all five laps. Penny finished 3½ laps in 6 minutes. Manny finished one less lap than Penny in 6 minutes. Finn finished the race in 9 minutes. Annie finished the race one minute faster than Finn. Who ran the fastest?