Question

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 $______​

Answer 1

7x+9=30

7x=30-9

7x=21

x=21÷7

x=3

Answer 2

• $3

Explanation:

Let the rental is x

The total is, the equation:

• 7x + 9 = 30
• 7x = 21
• x = 3

Each skate rental is $3