omg help me with this.?

0 ⤊

omg help me with this.?

Addie has $2.15 in her change purse, consisting of nickels, dimes and quarters. If she has twice as many nickels as quarters and one less dime than quarters, how many of each type of coin does she have?

2007-11-13 12:52:00 · 3 answers · asked by G.G. 1 in Education & Reference ➔ Homework Help

3 answers

5 quarters = $1.25
10 nickels = $0.50
4 dimes = $0.40

add those up and you get $2.15

2007-11-13 12:59:04 · answer #1 · answered by Kenna 3 · 0⤊ 1⤋

5 quarters, 10 nickels, and 4 dimes.

2007-11-13 21:04:45 · answer #2 · answered by Chocolate Thundah 3 · 0⤊ 0⤋

215 = 5N + 10D + 25Q; N = 2Q; D = Q-1

215 = 5(2Q) + 10(Q-1) + 25Q

215 = 45Q -10

Q = 5 So, N = 10; D = 4

2007-11-13 21:04:44 · answer #3 · answered by Tim C 7 · 0⤊ 1⤋