math

If a teenager and a half can eat a pizza and a half in a day and a
half, how many pizzas can twelve teenagers eat in three days?

Is the answer 36?

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  1. Yep. Since one teenager can eat a pizza a day, then 12 teens should be able to eat 36 pizzas in 3 days.

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    Ms. Sue
  2. Thank You.

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  3. You're welcome.

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    Ms. Sue
  4. 1.5 teens eat 1 pizza in 1.5 days
    3 teens eat 2 pizzas in 1.5 days
    3 teens eat 4 pizzas in 3 days
    12 teens eat 16 pizzas in 3 days

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  5. Missed the half of the pizza

    1.5 teens eat 1.5 pizza in 1.5 days
    3 teens eat 3 pizzas in 1.5 days
    3 teens eat 6 pizzas in 3 days
    12 teens eat 24 pizzas in 3 days

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  6. The answer is 24.
    You can set the problem up as fractions.
    1.5 teens/1.5 pizzas = 1.5 days

    the teens to pizza are 1:1. So you would say 1/1=1.5
    then change it to 12/12 = 1.5 and you would multiple by 2 to get 3 days.
    so 12*2 = 24

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  7. I am a pharmacist and the correct way to solve questions like this is think of RATE OF CONSUMPTION.
    i.e. consumption = pizza/day
    i.e. 1.5 TEENS = 1.5 PIZZA/1.5DAY = 1 pizza/day
    the rest is simple maths.

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