Don H

8,16,24,32,40,48... =mult. of 8 or 8n, n=1,2,3 12,24,36,48,... = mult.. of12 or 12m m=1,2,3 8n=12m or 2n=3m Therefore when m=1 impossible let m=2 then n=3 hence 24 package is the minimum number. Continue on let m=4(always even because n=3/2m)n=6. The syst...

let x be the time taken for them to meet. D=v*t D1=84t, D2=92t The sum of the distances is 132miles. Thus 84t + 92t = 132 and 176t = 132 or t = 132/176 t =3/4 hours check: 84(3/4) + 92(3/4) = 63 + 69 =132 miles