A printer is printing photos. For every 12 photos, the printer takes 3
minutes.
Complete the table below showing the number of photos and the time it takes to print them.

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Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.