Question

20% of what is 9? Jonas answered this question as shown. Explain his error and provide the correct solution.

Answer 1

@Jack1

Answer 2

The error occurs at the point where it goes form:

9=20%∗x→9=.02x

(Second/third Line)

Anyhow, 20% is 0.2, not .02

So the 9 is 20% of 45, when done correctly.

Answer 3

Thank you alot!!!