Three cents is the most Ms. Hernandez might have to spend to get both her twins the same colored gumballs if there are only white and red gumballs. This is because for the first penny she uses there is a 50% Ms. Hernandez can get a red gumball and a 50% chance she can get a red one. For the second and third she has the same chances.
The next day Ms. Hernandez and her twins pass another gumball machine with three colors, red, white, and blue and again her twins want the same color. The most Ms. Hernandez might have to spend is 4 cents.
Seven cents is the most Mr. Hodges might have to spend to get his triplets the same color gumballs at the same three-color gumball machine as Ms. Hernandez.
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The next day Mr. Hodges passes a two-color (red and white) gumball machine with his triplets again, they each want the same color. The most Mr. Hodges would have to spend is 5 cents.
Ex: Problem 1: 2 kids, 2 colors, max spent: I knew that two this needed to be multiplied and this needed to be subtracted so I did a guess and check until I found the answer.
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