Answer:
31 questions
Step-by-step explanation:
You want to know the number of questions on a test if missing 15 results in a score of 52%.
Questions
If q is the number of questions on the test, we have ...
[tex]\dfrac{q-15}{q}=0.52\\\\q-15=0.52q\qquad\text{multiply by $q$}\\\\0.48q-15=0\qquad\text{subtract $0.52q$}\\\\0.48q=15\qquad\text{add 15}\\\\q=31.25\approx31\qquad\text{divide by 0.48}[/tex]
There were 31 questions on the test.
