Jeffrey answered 28 out of 30 problems correctly on his math test. Lucille answered 47 out of 50 problem correctly on her math test who did better on the test?

In the given question there are several important information's provided and they can be used to find the required information. Jeffrey answered 28 out of the 30 problems correctly. We have to find the percentage of problems Jeffrey answered correctly

Percentage of Jeffrey answered correctly = (28/30) * 100

= 93.33

So Jeffrey answered 93.33% of problems correctly.

Now Lucille answered 47 out of 50 problems correctly. We have to find the percentage of correctly answered question by Lucille

Percentage of problems Lucille answered correctly = (47/50) * 100

= 94

So Lucille has answered 94% of the problems correctly

Hence Lucille did better than Jeffrey.

Lucille did better because as a percent, Jeffery got 93% whilst Lucille got 94%. 47/50 is equivalent to 94/100 and 28/30 is equivalent to 93/100.