math

you have $60, consisting of quarters and pennies. write an inequality that shows the different number of coins in piggy bank

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  1. A quarter is worth...well...a quarter dollar. That's 25 cents.

    A penny is worth 1 cent.

    Start not with the mathmatical formula, but with a statement.

    "If I take some number of quarters and add some number of pennies, I will have 60 dollars."

    "If I take some number of quarters..."

    Some number of quarters. Quarters starts with a "q" so let's call that number "q." A quarter is 25 cents. So

    .25 q

    "And add"
    That's addition. +

    .25q +

    "Some number of pennies."
    Pennies starts with a p, so let's call "some number" "p." A penny is worth one cent, so
    .01p

    Now we have
    .25q + .01p

    "I will have"
    Adding them together gives you a new number. That means is equals something.
    =

    .25q + .01p =

    "60 dollars."

    .25q + .01p = 60

    Now, you will not be able so solve this yet. You would have to know how many coins there are to do that.

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  2. Sorry for the double post. My blackberry went haywire. :-D

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