Problems of the Week - April 26 to May 1

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: Stevie practices playing her violin for 30 minutes each weekday and 45 minutes each Saturday and Sunday. How much time does Stevie spend practicing each week?

Upper Elementary: 

Question: An orchestra has 12 first violins, 10 second violins, 8 violas, 8 cellos, and 6 double basses. Each instrument has 4 strings. How many strings are there in the full orchestra?

Middle School: 

Question: Grace is saving up to buy a guitar. Her grandmother will give her an additional 75¢ for each dollar that Grace saves. If Grace saves $20 a month for 6 months, how much money does she have to spend on the guitar?

 Algebra and Up:

Question: Ten voice lessons and 5 piano lessons cost $368.75. Five piano lessons and 3 voice lessons cost $176.25. How much does a voice lesson cost?

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

Using the following rules:

• you can start at any intersection on the figure
• you cannot lift your writing tool once you start tracing
• you cannot trace over any segment more than once,

Can you trace the entire figure below?