### tags: linear

tags: linear
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#### This shoe is huge!

Brian and his son were doing some shopping when he found this shoe.  Egad!  Could that be someone's real shoe? In this activity student use a shoe size chart, patterns or linear modelin...

#### Souvenirs and concessions

Brian has introduced systems of equations with easy, motivating problems that deal with the cost of stadium purchases for food and souvenirs. These systems of equations puzzles are so intuitive that...

#### I need help raking my leaves

Brian has spent too much time thinking about his leaves. He's worried about raking them alone and thinking about how long the job would take if people helped. In this activity students see the inve...

#### Macy’s Star Rewards Points

Wow! Check out this deal at Macy's.  For \$25 I can join Macy's Star Rewards program. I get 10% back in rewards for every dollar I spend.  Its pretty cool that Macy's gives p...

Updated again for 2022! The teams are set. Don't you wonder what a Super Bowl ad will cost this year?  Will the price for 30 seconds be more? stay the same? or drop? 2013 Doritos "Go...

#### How much should the 40-oz size cost?

We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos.  And they will also make you 40-...

#### When will he use up his chocolate milk account?

Brian's son buys chocolate milk every few days to go with his lunch. His school creates an invoice that they send to parents every month that show the status of his milk account. Brian p...

#### Opening Weekend - Avengers: Endgame

Can you tell from its opening weekend how much the new movie, Avengers: Endgame, might earn in theaters?  This activity can be used anytime and is especially timely when there i...

#### Bowling Deals

Is there a general way to figure how much its going to cost you (and your friends) to go bowling? Should you pay per game?  Or bowl per hour?  Don't forget that you'll need to rent sho...

#### Saving Water Bottles

In my grocery store they now have these new water bottle refilling stations. You can simply refill your own container with water instead of buying a six-pack of bottled water....