Ask Question
31 July, 18:09

Derek's score on a test was 90 percent. He had 72 questions right. How many problems were on the test?

+3
Answers (1)
  1. 31 July, 18:53
    0
    90% = 72 questions

    //Find 1%

    1 % = 72 : 90 = 0.8

    //Find 100%

    100% = 0.8 x 100 = 80 questions

    Answer: There were 80 questions
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Derek's score on a test was 90 percent. He had 72 questions right. How many problems were on the test? ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers