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Morgan subscribes to a website for processing her digital pictures. The subscription is $5.95 per month and 4 by 6 inch prints are $0.19 each. How many prints did Morgan purchase if the charge for January was $15.83? 78 prints 84 prints b. 115 prints d. 52 prints

Respuesta :

Finding unknown variables

Values

Subscription: $5.95 per month

One print: $0.19

January charge: $15.83

Number of prints: ?

Procedure

We need to know the amount of money of the January charge that correspond to the prints. Since it has two components (subscription and prints), we find that value substracting

$15.83 - $5.95 = $9.88

We find the number of prints dividing that value into the cost of each print

$9.88/$0.19 = 52

Answer: D (52 prints)

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