linddana12 linddana12

02-09-2017
Mathematics

contestada

the number of science books checked out at the school library is directly proportional to the number of students in Physics class. If 42 books were checked out when 6 students were in physics class, how many books were checked out when 11 students were in the class. A. 66 books B. 47 books C. 53 books D. 77 books E. none of the above

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ivycoveredwalls ivycoveredwalls

02-09-2017

42 books checked out by 6 students means 7 books per student are checked out (42 divided by 6).

7 books per student multiplied by 11 student is 77 books checked out.

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