How many ways are there to choose a committee of 7 people from a group of 10 people? 720 120 840 5040

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.

Describe how making an ‘and’ compound sentence effects your solution set

Can someone show me step by step how to do this?