Physics, 04.12.2020 19:40 rtabu

Rob is a high school student taking both algebra and geometry. Last night he had 27 homework problems combined from the two classes, 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?

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Rob is a high school student taking both algebra and geometry. Last night he had 27 homework problem...