Mathematics, 19.06.2020 22:57, swordnewsnetwork

The number of books sold at the book fair was 4 times the number of books-on-tape sold. Books cost $5 each and books-on-tape cost $6 each. A total of $910 was collected. How
many books-on-tape were sold?
A.6
B.140
C.25
D.35

Answers: 3

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The number of books sold at the book fair was 4 times the number of books-on-tape sold. Books cost...