Expression

If it is true that

${\displaystyle \frac{l+15w}{w}}=6$

, then the value of the expression

${\displaystyle \frac{13l}{12w}}$

is:

Correct result:

x =  -9.75

Solution:

$x=(6-15)\cdot {\displaystyle \frac{13}{12}}\doteq -9.75$

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