Question

on the tv channel, a popular film lasted for 3 hours . out of this time commercial advertisement were for 1 1/4 hours. what was actual duration of the film?​

Answer 1

Answer:

Time of Film including ads = 3 hours

Time of commercial ads

$= 1\frac{1}{4}$

Actual Time of film =

$3 - 1 \frac{1}{4}$

$= 3 - \frac{5}{4}$

$= \frac{3 \times 4 - 5}{4}$

$= \frac{12 - 5}{4}$

$= \frac{7}{4}$

$= 1\frac{3}{4} \: hours$

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