To find: The number of coins of each type.
Mary has 5 quarters, 10 dimes and 15 nickels.
Mary has total amount $3.00.
Dimes are twice than quarters and nickels are five more than dimes.
Let the coins of quarters be x.
Tabulate the given information into the language of algebra.
|In words||In Algebra|
|Coins of quarters||x|
|Coins of dimes||2x|
|Coins of nickels|
Model the equation for the above information.
Simplify the above equation for x,
Coins of dimes,
Coins of nickels,
Thus, Mary has 5 quarters, 10 dimes and 15 nickels.
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