Joe has a collection of quarters and dimes...

Question

Joe has a collection of quarters and dimes. A friend counts his change and determines he has $3.70. Joe knows he has 25 coins. How many quarters and dimes does Joe have?

Paul M. · Accepted Answer

The equations areQ + D = 25.25Q + .1D = 3.70Multiply the first equation by 25 and the second by 100Then subtract to eliminate Q and find D.

Joe has a collection of quarters and dimes...

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Joe has a collection of quarters and dimes...

1 Expert Answer

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

graph, find x and y intercepts and test for symmetry x=y^3

-2x/x+6+5=-x/x+6

Find the mean and standard deviation for the random variable x given the following distribution

using interval notation to show intervals of increasing and decreasing and postive and negative

trouble spots for the domain may occur where the denominator is ? or where the expression under a square root symbol is negative

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