Rob is a high school student taking both algebra and geometry. Last night he had 27 homework problems combined from the two clas
ses, and he took a total of 90 minutes to do them. If each algebra problem took him 2 minutes and each geometry problem took him 5 minutes, how many algebra problems did he have for homework? 2
5
12
15
<span><span><span>xy</span>−5</span>=k</span> Flip the equation.<span> k=<span><span>xy</span>−5</span></span> Answer is <span>k=<span><span>xy</span>−<span>5 I hope this helps