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Posted by on Sunday, December 9, 2012 at 11:32pm.

three teenagers can eat 6 pizzas in half an hour. Assuming that their friends eat at the same rate, how many pizzas can 5 teenagers eat in 90 minutes?

  • geometry math - , Sunday, December 9, 2012 at 11:46pm

    6pizza/(3teen*.5hr) = 4pizza/(teen-hr)

    so, that's 4 pizzas per hour per teen

    take that and use the given data to get the final number of pizzas:

    4pizza/(teen*hr) * 5teen * 1.5hr = 30pizza

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