SOLUTION: WHAT IS MISSING? You have dimes and nickels in your pocket with a total value of $0.95. There are more dimes than nickels. How many of each coin do you have? a. Do you have e

Question 685798: WHAT IS MISSING? You have dimes and nickels in your pocket
with a total value of $0.95. There are more dimes than nickels.
How many of each coin do you have?
a. Do you have enough information to write a system of equations
to answer the question? If not, what else do you need to know?
b. Find one possible solution.
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
WHAT IS MISSING? You have dimes and nickels in your pocket
with a total value of $0.95. There are more dimes than nickels.
How many of each coin do you have?
a. Do you have enough information to write a system of equations
to answer the question?

No for you could only write one equation

$0.10d + $0.05n = $0.95

which would amount to

10d + 5n = 95

which can be divided through by 5 to give

2d + n = 19

But that's just ONE equation.  So the answer is no, because 
when you have two unknown quantities you must have 2 equations.
But here you only have one.

>>If not, what else do you need to know?<<

You would need to know either 

1. the total number of coins 

or else

2. How many more dimes you have than nickels.

>>b. Find one possible solution.<<

Here are three possible solutions:

1.  1 nickel and 9 dimes.
2.  3 nickels and 8 dimes.
3.  5 nickels and 7 dimes.

Edwin

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