Ratio:
Siimplify each of the following ratios.
1. 30 seconds:1 hour
2. 6 weeks and 3 days:1 week and 5 days
Find the value of each of the following unknowns
1. a:9 = 5:3
2. 5:12 = c:30
3. 91:143 = 14 :b
4. d days : 3 weeks = 8 days : 3 weeks and 3 days
更新1:
3. A sum of $16 000 is divided between Wilson and Sherman in the ratio of 4:6. How much money does Wilson get?