Mathematics, 10.07.2019 23:30 hiiiiiiiiiiiii7032

In chad's reading class, all the students are reading the same book. the school bought each student a book at $7 per book. if there are 27 students in chad's class, which of the following expressions could not be used to calculate the total cost? a. 7(30) - 7(7) b. 7(20) + 7(7) c. 7(30) - 7(3)

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