Answer:
0.50(20) + 0.75(6)=y
Step-by-step explanation:
0.50S + 0.75B=y
0.50(20) + 0.75(6) = total
7
B. -4.
Ok. This is an incomplete question. I don't want to report. Please tell me the answer choices so I can match them for you.
490
4333333
67
8