At the Tucson Zoo, Jason spends $6.00 to enter the zoo and $2.00 per animal to feed them. Meanwhile, at the Phoenix Zoo, Kim spends $15.00 to enter and $1.00 per animal to feed them.The equation 6 + 2x = 15 + x represents this situation. How many animals do they need to feed in order to spend the same amount?
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Respuesta :

Answer:

3 animals

Step-by-step explanation:

  1. combine like terms
  • 6 + 2x = 15 + x
  • -6   +  x   - 6  - x

     --------------------------

         3x = 9

     2. divide both sides by 3

  • 3x/ 3 = 9/3
  • x = 3