math

posted by .

Jo has 37 coins (all nickels, dimes and quarters) worth \$5.50. She has 4 more quarters than nickels. How many of each type of coins does she have?

d=#dimes
n=#nickels
q=#quarters.
==============
d+n+q=37
n+4=q
0.1d + 0.05n + 0.25q = 5.50
=============================
three equations.three unknowns.
Solve for d,n,q.
Post your work if you get stuck and need further assistance.

• math -

21

Similar Questions

1. algebra

How do I figure out this problem? You have 37 coins (all nickels , dimes, and quarters) adding up to \$5.50. You have 4 more quarters than nickels. How many dimes do you have?
2. College Algebra

A coin jar contains nickels, dimes and quarters. There are 46 coins in all. There are 11 more nickels than quarters. The value of the dimes is \$1.00 less than the value of the quarters. How many coins of each type are in the jar?
3. algebra

Please help....struggling with word problems and please explain how to get the answer.... Max has a collection of 210 coins consisting of nickels, dimes, and quarters. He has twice as many dimes as nickels, and 10 more quarters than …
4. Math

Ruthie has 10 coins, all either nickels, dimes, or quarters. She has N nickels, D dimes, and Q quarters, where N, D, and Q are all different, and are each at least 1. Amazingly, she would have the same amount of money if she had Q …
5. Math

1. Joe has 37 coins (all nickels, dimes and quarters) worth \$5.50. She has 4 more quarters than nickels. How many dimes does Joe have?
6. Algebra

Solve the problem using matrices. John has a jarful of quarters and nickels. There are 84 coins in the jar. The value of the coins is \$13.00. How many of each type of coin are there?
7. algebra

Mary has \$4.00 in nickels, dimes, and quarters. If she has twice as many dimes as quarters and forty-seven more nickels than dimes, how many coins of each type does she have?
8. math

Sarah has a collection of nickels, dimes, and quarters worth \$9.25. She has 10 more dimes than nickels and twice as many quarters as dimes. How many coins of each kind does she have?
9. algebra

A box contains \$7.80 in nickels, dimes, and quarters. There are 46 coins in all, and the sum of the numbers of nickels and dimes is 2 less than the number of quarters. How many coins of each kind are there?
10. College Algebra

A box contains \$7.80 in nickels, dimes, and quarters. There are 46 coins in all, and the sum of the numbers of nickels and dimes is 2 less than the number of quarters. How many coins of each kind are there?

More Similar Questions