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alfie has some photographs printed.the cost is £2.50 for postage and 12 pence for each print. A File uses this formula for the total cost (C) in pence. C=250 + 12n n stands for number of photographs. The total cost for Alfie is £6.70. How many photographs does he have to print?
9 years ago

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Reiny
250+12n=670
12n=420
n =35
9 years ago
Noha
That can’t be write because 12n essentially means 12x_=42 and nothing times 12 equals 42. So that is incorrect.
7 years ago

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