A plane flew outward from Victoria to Calgary, A flying distance of 1260 km. On the return journey ( Calgary to Victoria ), due to a strong headwind, the average flying speed was 90km/hr slower than on the outward journey. The time taken for the return journey was 20 minutes more than for the outward journey. What was the speed of the plane on the return journey?

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal, mutualistic, or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp