Answer:
That'd be
1.3b -3.2b +7.8
-1.9b + 7.8
that's the simplification
don't forget to make my answer the brainliest if it's correct
that's the solution of the system
they payed 3.825 each
Step-by-step explanation:
15% of 51 is 7.65 so you divide that by two and get 3.825
