Problems of the Week - February 22 to February 27

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:  Olivia had an excellent fishing day. She caught 4 snappers, 6 mackerels, 1 grouper, and 1 soggy boot. She threw half the snappers and half the mackerels back into the ocean. How many fish did she take home?

 Upper Elementary:

Question:  Harvey goes to a theme park where tokens cost 75 cents. A roller coaster ride costs 2 tokens. A ride on the Ferris wheel costs 3 tokens. Harvey rides the roller coaster and the Ferris wheel 7 times each. How much did Harvey spend on rides?

Middle School:

Question:  One out of every 250,000 alligators is born white. If there are an estimated 1,750,000 alligators in the state of Florida, how many of them are likely to be white?

Algebra and Up:

Question:  It costs $20 to rent a jet ski, plus $1.50 for each hour of use, plus the cost of gas. James rents a jet ski for 2 hours. He uses 3 quarts of gas, which costs $2.98 per gallon. How much does the jet ski rental cost in total?

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

The column and row sums are shown along the bottom and right side of the puzzle.

Using the tiles shown, how many different solutions are there?