Question

Membership for the Alpine rock-climbing gym costs $12 per month plus a $120 sign-up fee. Membership for Rocco’s rock-climbing gym costs $20 per month plus a $60 sign-up fee.

After how many months will the memberships cost the same?

Answer 1

Around month 7-8

Explanation:

Alpiine=

1 month=$132

2=144

3=156

4=168

5=180

6=192

7=204

8=216

9=228

10=240

Rocco=

1 month=80

2=100

3=120

4=140

5=160

6=180

7=200

8=220

9=240

10=260