Question

max read 11 books in 5 days how many books can he read in 7 days

Answer 1

Answer:

It is a case of direct variation.

$\left[\begin{array}{ccc}11&x\\5&7\\\end{array}\right]$

11(7) = 5x

$\frac{11(7)}{5} = x$

$\frac{77}{5} = x$

15.4 = x

15 = x

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