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Mathematics 22 Online
OpenStudy (anonymous):

Will give out medals.

OpenStudy (anonymous):

Which simpler problems could be calculated to solve this problem? Casey bought 2 cups of hot chocolate for $1.25 each and a tray of muffins for $14. He gave the cashier a 10% tip. How much change did Casey get back from a $20 bill? A. Calculate the tip. Calculate the total cost of the 3 items. Add the tip to the cost of each item. Calculate the change. B. Calculate the tip for each item. Calculate the total of the tips. Add the tip to the cost of each item. Calculate the total cost. Calculate the change. C. Calculate the total cost of the 3 items. Calculate the tip. Add the tip to the price of each item. Calculate the change. D. Calculate the total cost of the 3 items. Calculate the tip. Add the tip to the total cost of the items. Calculate the change.

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