1 quarter, 1 nickel, 5 dimes and 3 pennies.
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1 Q = 25 2 D = 20 1 N = 5 3 P = 3 ------------ 53 cents
There are 83 coins. If there are N nickels then there are (83 - N) dimes. Davida has nickels worth 5N and dimes worth 10(83 - N) but. 5N + 10(83 - N) = 695 5N + 830 - 10N = 695 5N = 830 -695 = 135 therefore N = 135/5 = 27 : D = 83 - N = 83 - 27 = 56 Davida has 27 nickels and 56 dimes.
Well, isn't that a happy little puzzle! You can use a combination of a half dollar (50 cents), a quarter (25 cents), a nickel (5 cents), and three pennies (3 cents) to make a total of 80 cents. Just remember, there are many different ways to solve a problem, so feel free to get creative and explore different combinations!
83
830 divided by 10 equals 83. That's it!