Math

Coming out of the grocery store, Ebree has eight coins, of which none is a half-dollar, that add up to $1.45. Unfortunately, on the way home she loses one of them. If the chances of losing a quarter, dime or nickel are equal, which coin is most probably lost?
Quarter?

Bart Simpson goes to the corner store and buys an equal number of 35 cent and 30 cent candies for $22.75 How many candies did he buy?
70?

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asked by Rezu
  1. 1.
    If dollars are included (as in Canada),
    $1.45=1 dollar + 5 nickels + 2 dimes
    If dollars are excluded,
    $1.45=5 quarters + 2 nickels + 1 dime
    Try to figure out the probability from these results.

    1.
    Let N=number of candies of each kind.
    N=22.75/(0.35+0.30)=35
    So how many candies did Bart buy?

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    posted by MathMate
  2. So is my answers wrong?

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    posted by Rezu
  3. Your answer is right.

    I hope you worked out the problem by yourself, in which case you would have followed the same logic where 35 is the number of candies of EACH kind.

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    posted by MathMate
  4. Ok Thanks! I showed my work but I wanted to make sure I did it correct:)

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    posted by Rezu
  5. You're welcome!

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    posted by MathMate

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