Question

Donna bought a candy bar for $1.50.

She paid with nickels and dimes.
She used 21 coins in all. How many
nickels (n) and how many dimes (d)
did she use?

Answer 1

12 Nickels & 9 Dimes

Explanation:

Systems of Equations

0.05x + 0.10y = 1.50

x + y = 21

Find the intercept and you get (12,9)