Helllp me please

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Ineed someone to me answer my question i have to have this done and knocked out