# Math

posted by .

John has 11 more quarters than dimes. He has a total of \$7.65. How many quarters and dimes does he have?

• Math -

Q = 11 + D
25Q + 10D = 765

• Math -

Substitute 11+D for Q in second equation and solve for D. Insert that value into the first equation and solve for Q. Check by inserting both values into the second equation.

## Similar Questions

1. ### math

a childs bank contains \$6.30 in dimes and quarters. there are twice as many dimes as quarters. how many of each kind of coin are in the bank?
2. ### math

Sal keeps quarters, nicles, and dimes in his change jar. He has a total pf 52 coins. He has three more quarters than dimes and five fewer nicles than dimes. How many dimes does Sal have?
3. ### Math

Dave has quarters, dimes and nickles in his bank. He has 3 more dimes than quarters and 6 less nickles than quarters. There are 63 total coins. How many are quarters?
4. ### word problem money

you have \$ 1.55 in dimes and quarters. find all the possible combinations of coins that you might have i got; 1) 1 quarters 13 dimes 2) 3 quarters 8 dimes 3) 5 quarters and 3 dimes is this right 3 ways?
5. ### Algebra (Mrs.Sue) thank you :)

Sal keeps quarters,nickels, and dimes in a jar. He has a total of 52 coins. He has three more quarters than dimes and five fewer nickels than dimes. How many dimes does sal have?
6. ### Math

A woman has twice as many dimes as quarters in her purse. If the dimes were quarters and the quarters were dimes, she would have \$1.20 more than she now has. How many of each does she have?
7. ### Algebra

Christina has three more quarters than dimes. The total value of the dimes and quarters is \$13. How many quarters does she have?
8. ### math

Ashley had an equal number of dimes and quarters until she gave 15 quarters away. She now has \$ 22.50 in dimes and quarters. How many dimes does she have?

Please I need help on just the set up using a guess and check table. Karina has some dimes and quarters she has 8 more dimes and quarters and the collection of coins is worth \$7.45. How many dimes and quarters does Corona have?
10. ### math

You have a total of 52 dimes and quarters. You have 10 more quarters than dimes. Which system of equations can you use to find the number x of quarters and number y of dimes you have?

More Similar Questions

Post a New Question