In 8–10, a teacher gave a test with 50 questions, each worth the same number of points. Donovan got 39 out of 50 questions right. Marci's score was 10 percentage points higher than Donovan's. 8. What was Marci's score? Explain. 9. How many more questions did Marci answer correctly? Explain. 10. Explain how you can check your answers for reasonableness. Please answer soon thanks!