Respuesta :
J=160+100t, L=120+110t, we wish to know when J+L so
150+100t=120+110t
10t=30
t=3 years
...
50+50t=80+40t
10t=30
t=3 years
150+100t=120+110t
10t=30
t=3 years
...
50+50t=80+40t
10t=30
t=3 years