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Lynn takes her puppy, Olive, to a doggy daycare. The price for the daycare is $21 per day along with a monthly admission fee of $48. Last month Lynn paid a total of $426. Which equation can be used to find the number of days, d, that Olive spent at daycare, and how many days was she there?
A.
21d + 48 = 426; 18 days
B.
48d + 21 = 426; 8 days
C.
426d - 21 = 48; 7 days
D.
48d + 426 = 21; 9 days

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sqdancefan

Answer:

  A.  21d + 48 = 426; 18 days

Step-by-step explanation:

To find the total cost for the month, the number of days (d) must be multiplied by the cost per day (21). That product is added to the admission fee to get the total (426). Only one answer choice has the term 21d. That is the correct answer choice.

  21d + 48 = 426; 18 days

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