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Help on math challenge1B(c) amc8/mathcounts winter 2017-2018 counting and probability

 
 
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Re: Help on math challenge1B(c) amc8/mathcounts winter 2017-2018 counting and probability
by David Reynoso - Wednesday, 17 January 2018, 10:00 AM
 

The pizzas from part (a) and part (b) are independent, so yes, you could repeat toppings. In each part you want to figure out how many ways to select the toppings of one pizza.