SOLUTION: If a person has 39 coins in their pocket all dimes and quarters that total to $6 dollars how many dimes and how many quarters. Thanks!

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Question 371188: If a person has 39 coins in their pocket all dimes and quarters that total to $6 dollars how many dimes and how many quarters.
Thanks!
Answer by jvan(28) About Me  (Show Source):
You can put this solution on YOUR website!
Let d= number of dimes. Let q= number of quarter. Write an equation that relates the amount of money: 0.10d%2B0.25q=6.00. Then write an equation to relate the number of dimes and quarters: d%2Bq+=+39. Solve the second equation for q by subtracting d from both sides: q=39-d. Now plug this second equation into the first equation: 0.10d%2B0.25%2839-d%29=6.00. Solve for d to get d = 25. Then plug this into d%2Bq+=+39 and solve for q to find q=14. The number of dimes is 25 and the number of quarters is 14. I hope this helps. Please visit and join my website at www.myonlinetutor.webs.com for homework help. Thanks!