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Jennifer invites her friends over for a party. Her mother buys a value pack of party favors. She removes 2 damaged pieces from the entire lot and divides the rest equally in 10 goody bags. If each bag contains 7 party favors, how many party favors were there initially?

Respuesta :

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Answer:

72

Step-by-step explanation:

Call the amount she started with, x

she removes 2

x - 2

then she divides it by 10

(x - 2)/10

each bag contains 7 pieces

(x - 2)/10 = 7

so now solve using inverse operations

(x - 2)/10 = 7

        *10    *10

x - 2 = 70

  +2    +2

x = 72

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