SOLUTION: a mathematics intructor asserted that students test grades are directly proportional to the amount of time spent studying. brent studies 15 hr. for a particular test and gets a sco
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Question 168329This question is from textbook pre-algebra
: a mathematics intructor asserted that students test grades are directly proportional to the amount of time spent studying. brent studies 15 hr. for a particular test and gets a score of 85. at this rate, what score would ha have recieved if he had studied 16hr.?
This question is from textbook pre-algebra
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
cross multiply
divide by 15
score if he studied for 16 hours
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