28
QuizMultiple Choice
Unit Test — Cumulative exam
Question 28 • FL-1200375-Algebra 1-A CR Semester 2
Luis is saving money to purchase a new video game. He has a total of 30 coins consisting of nickels and dimes. The value of the coins is $2.20. Let n represent the number of nickels and let d represent the number of dimes. Which system of equations can be used to determine the number of nickels and the number of dimes Luis has?
Answer
A
A system of equations. n plus d equals 2.20. 10 n plus 5 d equals 30.
B
A system of equations. n plus d equals 2.20. 10 n plus 5 d equals 30.
C
A system of equations. n plus d equals 2.20. 0.5 n plus 0.1 d equals 30.
D
A system of equations. n plus d equals 30. 0.5 n plus 0.1 d equals 2.20.