One decade = 10 years. 49 decades = 490 years. There are 52 weeks in one year:
490 x 52 = 25480 weeks in 49 decades
49 weeks
2600
1560
There are 7 weeks in 49 days.
7 weeks
There are 7 days in one week. Therefore, 49 weeks is equal to 49 x 7 = 343 days.
7 weeks
There are about: 3*10*52 = 1560 weeks
49. 343/7=49
Personally i thought it was 24 but it's 49
Seven !
49