Stacey and robin are playing games at the arcade. Stacey starts with $15 dollars and the machine she is playing cost $0.75 per game. Robin started with $13, and the machine she was playing cost $0.50 per game. After how many games will the two girls have the same ammoujnt of money remaining?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

How to do this , and can some one explain

10 points? me . its important ‼️‼️