Billy had $90 to spend at a march madness basketball game. he spent 4/5 of the money on his ticket. then he spent 1/2 of the remaining money at the concession stand. while walking back to his seat he saw a new hat on sale for $8. does he have enough money to buy the hat ? explain your answer. show all your work.

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