Sagot :
Answer:
he will achieved one hour a day in 6th week
Step-by-step explanation:
1st week=10 min
2nd week= 10+10=20
by arithmetic progression:
d=20-10=10
[tex] an = a1 + (n - 1) \times d\\ \\ 60= 10 + (n - 1) \times d \\ 60 = 10 + (n - 1) \times 10 \\ \\ n = 6[/tex]