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3. Askating rink charges a group fate of $9 plus a fee to rent each pair of skates. A family rents 7 pairs of skates and pays a total of $30.


Each skate rental is $______​

Respuesta :

mhanifa

Answer:

  • $3

Step-by-step explanation:

Let the rental is x

The total is, the equation:

  • 7x + 9 = 30
  • 7x = 21
  • x = 3

Each skate rental is $3

7x+9=30

7x=30-9

7x=21

x=21÷7

x=3

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