Plz do this fast! i need to finish : /

1. convert 300 weeks to years

40,000/6,957

2. convert 5 minutes to seconds

300/1

3. convert 4,800 seconds to hours

4/3

4. convert 714 years into minutes

1,877,638,644/5

can somebody covert the answers to mixed #s? also label them, and give them their correct numbers.