Question

PLS HELPP GUYS. its some difflicultt helpp​

Answer 1

d. 9 hours

e. he started his h w at 19:50

a.42

2.43

c.12 hours 35 mins

21 hours 50 mins

b. 1.hour at 7 min at 8

2. hour at 10 min at 3

hope it helps please mark me as brainliest