# Problem of the Week Jan 19 - 23, 2020

Jan 19, 2020 | Killarney

Get a Problem of the Week ballot and submit your entry before closing time on Thursday. All correct solutions will receive 2 extra punches on their Reward card at the start of their next session in the math learning centre.

Grades 3-4Stacy has tickets to a concert that starts at 8:30 pm. If it’s currently 7:42 pm, then how much time does Stacy have to get to the concert before it starts?

Grades 5-6Maggie wants to buy a puzzle that costs \$25. She has a 50% off coupon and \$10.
How much more money does Maggie need to get the puzzle?

Grades 7-8A red token is worth twice as much as an orange token. An orange token is worth
5 less a yellow token. A yellow token is worth 15 less than a green token. A green
token is worth half as much as a blue token, and a blue token is worth B. How much
is a yellow token worth in terms of B?

Grades 9 and upThe formula for the temperature in Fahrenheit (F) in terms of the temperature in Celsius (C) is:
F = 9C/5 + 32
What is the formula for the temperature in Celsius in terms of the temperature in
Fahrenheit?