It’s called the associative law you can add numbers in any order you want
I believe the answer is E. 38
Answer:
9 nickles
15 dimes
21 quarters
Step-by-step explanation:
Number of nickels = N
Number of dimes = D
Number of quarters = Q
The following system can be modeled based of the given information:
Solving the system:
The collection consists of 9 nickels, 15 dimes and 21 quarters.