Will mark brainliest for whoever answers. How can I solve this problem?

Answer:
42.5%
Step-by-step explanation:
i dont think the a b and c are multiple choice they are steps to solve the problem
the events in the problem are rebecca approving couch 85% and her roomate approving the couch 50%
a: rebecca approving couch 85%
b: roomate approving the couch 50%
probability rebecca and roommate approves is percentages multiplied.
85% times 50% = 0.85*0.5
=0.425
42.5%