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

2 answers

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