Raymond B. answered • 03/02/22
Tutor
5
(2)
Math, microeconomics or criminal justice
N=3+Q
5N + 25Q = 315
5N -5Q = 15
subtract to get
30Q =300
Q = 300/30 = 10 quarters
N = 13 nickels
Peter R.
tutor
Could also substitute N = 3 + Q for N in the 2nd eqn. 5(3 + Q) + 25Q = 315, etc.
Report
03/03/22
Grant S.
Thanks!03/02/22