asked 190k views
2 votes
Ariana has $1.40 worth of nickels and dimes. She had twic as many nickels as dimes. Determine the number of nickels and the number of dimes that Ariana has.

asked
User Dezull
by
7.9k points

2 Answers

3 votes

Answer:

She has 7 dimes and 14 nickles.

Explanation:

answered
User Sylvain Lesage
by
7.7k points
1 vote

Answer:

A) .05n + .10d = $1.40

B) n = 2d

We multiply equation A) by -20

A) -n -2d = -28.00 then add it to B)

B) n -2d = 0

-4d = -28.00

dimes = 7

Therefore, nickels = 14

7 dimes + 14 nickels = $1.40

Explanation:

answered
User Asmgx
by
8.5k points
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