Step-by-step explanation:
558r+4656=1388
8475d+4890=12686becoms 4576N
So Marci's sore was 45 because every percent has to be out of 100 so to get it to 50 you divide by two so 90 / 2 = 45. And 45-39 = 6
Marci got 6 more correct then Donovan.
Answer:
well 126/9=14 but is the other stuff factor families or something? like whats the question asking
Step-by-step explanation: