Suppose that 12 dimes and nickles are worth $0.95. How many dimes and how many nickles are there?
I'd REALLY appreciate it if you show your work. The best answer will probably have the correct answer and work shown.
2006-09-07 15:45:09 · 4 answers · asked by Sakura X 2 in Education & Reference ➔ Homework Help
Well, I was looking for equations...
2006-09-07 15:56:25 · update #1
d + n = 12
10d + 5n = 95
Mult. top eqn. by -5:
-5d-5n= -60
10d+5n=95
Add: 5d=35, so d=7.
d+n=12, so 7+n=12, so n=5
7dimes, 5 nickels.
2006-09-07 15:52:44 · answer #1 · answered by jenh42002 7 · 1⤊ 0⤋
7 Dimes = 70 cents
add 5 nickles (25 cents) = 95 cents
7 dimes + 5 nickles = 12 coins total
2006-09-07 15:48:32 · answer #2 · answered by Rare Indigo 4 · 1⤊ 0⤋
5 nickles and 7 dimes.
5 x 5 = 25
7 x 10 = 70
70+25=95
Why can't college be this easy? :)
2006-09-07 15:48:32 · answer #3 · answered by Spirit_of_1776 2 · 1⤊ 0⤋
9 dimes and 1 nickel or 8 dimes 3 nickels
2006-09-07 15:47:57 · answer #4 · answered by Anonymous · 0⤊ 0⤋