Answer:
24 questions
Step-by-step explanation:
you would make the percentage a decimal and times that by how many problems.
Answer:
24 problems
Step-by-step explanation:
I like to do it like this: I find out what 10 percent is, so I divide it by 10. 30/10=3. 10 percent plus 10 percent is 20 percent. That's 6. 100 percent minus 20 is 80 percent. 30 - 6 is 24. Hope this helps.
