Three friends bought 4, 6, and 8 books. the table shows the cost of the books.
number of...
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Mathematics, 28.01.2020 03:31 Imanilh
Three friends bought 4, 6, and 8 books. the table shows the cost of the books.
number of books 4 6 8
cost ($) 30 45 60
what is the constant of proportionality?
a. 2
b.7.5
c.15
d.30
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