hope this helps! feel free to clarify if unsure
if 71 paying passengers are all children, they should pay 5* 71= $355 in total.
$439 is paid so adults pay $439-$355 = $84 more than money paid by same number of children.
each adult pays $8-$5=$3 more than each child
so there are $84/$3= 28adults
and 71-28= 43 children
Answer:
Let x be the bigger number, and y be the smaller number.


Since the difference is 82,

Substitute x in:







75%....................................................