Algebraic Expressions

Idan breaks his piggy-bank and finds that there are pennies, nickels, dimes and quarters. As he is counting his coins, please help him translate to "algebra" facts about the coins he is counting.

The number of pennies is 24 times the number of quarters. Assume the number of quarters is X. The number of pennies is _________.

The number of nickels is 15 more than twice the number of quarters. The number of nickels is _____.

HINT: The number of quarters is X.

The number of dimes is 4 less than the combined number of quarters and nickels. The number of dimes is _____.

The amount in pennies is _____ cents.

The amount in nickels is ______ cents.

The amount in dimes is ______ cents.

The amount in quarters is _______ cents.

The combined number of nickels and dimes is ______ coins.

The combined number of dimes and quarters is ________ coins.

The total number of coins is ______ coins.