Lisa studies 5hr for a test and gets a score of 72 at the rate, how many hour would she have had to study to get a score of 93?

Answer 1

assuming a linear relation (a wildly inaccurate assumption), she makes 72/5 pts/hr
p = 72/5 h
So find h when p=93

Answer 2

(93/72 ) * 5h = 6.46 h.