For this case, the first thing to do is find the number of incorrect questions.
We have then:
![60-43 = 17](https://img.qammunity.org/2020/formulas/mathematics/middle-school/l8zofodl9dz5cyxxeytit5xqv0wegi8bpt.png)
Then, we look for the wrong percentage of questions.
For them we divide by the total number of questions and multiply by one hundred.
![\frac {17} {60} * 100 = 28.3 \%](https://img.qammunity.org/2020/formulas/mathematics/middle-school/owskf1wefdid55qg0zk10e60lj2a2yr8u7.png)
Answer:
the percentage to one decimal place is:
28.3 %