25
QuizMultiple Choice

Cramer's Rule — Unit test

Question 25 of 25 • Precalculus

Solve by using a matrix.A collection of nickels, dimes and quarters totals $6.00. If there are 52 coins altogether and twice as many dimes as nickels, how many of each kind of coin are there?a.q = 5d = 60n = 30c.q = 15d = 28n = 6b.q = 35d = 10n = 5d.q = 10d = 28n = 14

Answer
A
A
B
B
C
C
D
D