Answer:
1:160
Explanation:
1 hour has 60 minute and every minute has 60 seconds
1 hour has 60 *60 seconds
1 hour has 3600 seconds
2 hours has 7200 seconds
45:7200
9:720*2
1:80*2
1:160
Answer:
22.5 seconds to every hour
Explanation:
Simply, divide 45 seconds by 2 hours and you will get 22.5 seconds. The ratio would be 22.5 seconds to 1 hour
