I think that it us C but do not take my word for it.
0.10x - 0.08x = 250 - 185
0.02x = 65
x = 3250
(-8) - 3y= 25
-8-3y= 25
move -8 to the other side
sign changes from -8 to +8
-8+8-3y=25+8
-3y= 33
divide both sides by -3 to get y by itself
and to get +y
-3y/-3= 33/-3
Answer:
y= -11
The price per foot would be .84 cents, 1 yard equals 3 feet so 2 yards is 6 feet. if you take $5.04 and divide it by 6 then you get 0.84
t = 1/(1/22)
t = 22 hr
The insect will need 22 hours to crawl a distance of 1 mile.