Someone help with number 4 please thanks

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?