Question 1034271
n+d+q = 60
d = 3q
0.05n+0.10d+0.25q = 6.50
0.05n+0.10(3q)+0.25q = 6.50
0.05n+0.30q+0.25q = 6.50
0.55q = 6.50-0.05n This is how far I can go with the information you provided