Respuesta :

remember, you can do anything to an eqaution as long as you do it to both sides

ok, cost=4f-2
if cost=552 then

552=4f-2
solve for f
add 2 to both sides
554=4f
divide both sides by 4
138.5=f

the fish was 138.5ft long
RELAXING NOICE
Relax