Answer:
140 Spirit buttons per hour
Step-by-step explanation:
From the above question:
3 1/2 hours = 490 spirit buttons
1 hour = x spirit buttons
Cross Multiply
3 1/2 hours Ă— x = 1 Ă— 490 Spirit buttons
x = 490 spirit buttons/ 3 1/2 hours
x = 490 Ă· 3 1/2
x = 490 Ă· 7/2
x = 490 Ă— 2/7
x = 140 Spirit buttons
Hence, the Pep club members make 140 Spirit buttons per hour