Question 484097
if it takes 3 days for a space vehicle to travel from earth to the moon.
 how long will it take same vehicle at same speed to travel to jupiter.
 earth is 240,000 miles and jupiter is 390,000,000 from earth
:
Let d = no. of days to Jupiter 
:
A ratio equation
{{{d/3}}} = {{{390000000/240000}}}
Reduces to
{{{d/3}}} = {{{39000/24}}}
cross multiply
24d = 3(39000)
24d = 117000
d = {{{117000/24}}}
d = 4,875 days to go to Jupiter, that's about 13 yrs, 4 months