90.4k views
1 vote
Yesterday, there were 30 problems assigned for math homework. Nancy did 10% of them correctly. How many problems did Nancy get wrong?

1.) 5
2.) 10
3.) 20
4.)27​

User Bsruth
by
4.4k points

2 Answers

4 votes

Answer:

i dont know if this is right but im pretty sure its 5

Explanation:

User Hirumina
by
3.8k points
5 votes

Answer:

4.) 27

Explanation:

Just take 30 and - 10% = 27

Because you are looking for the wrong one so you always have to see how many it was before and how many it was after. Sometimes you can minus the number and then that's the answer you get from minusing

User Jeffreyquan
by
4.3k points