25. The cost of a colour film for 12 photographs is
normally $1.08.
Additionally, the cost of printing the 12 photographs
is normally $1.92.
(a) Show that the total cost of each photograph is
normally 25 cents.
(b) One shop decides to sell 3 films for the price of 2
films. The cost of printing remains at $1.92 for each
film.
Calculate the total cost of each photograph at this
shop.
(C) A second shop keeps the price of the film at $1.08,
and offers a reduction of 25% off the cost of printing.
Calculate the total cost of each photograph at this
shop.
(d) Calculate the percentage reduction in the total cost.
compared to the normal cost, of a photograph
obtained from the second shop.
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big question it seems to be
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