55/6.21 = x/1....55 mins to 6.21 miles = x min to 1 mile
cross multiply
6.21x = 55
x = 55/6.21
x = 8.86 minutes
8 - 5(12x + 8)
8 - 60x - 40
-60x + (8 - 40)
-60x - 32
hope that helps, God bless!
The factors of 891 are 1,3,9,11,27,33,81,99,297,891
Because
1 x 891,
3 x 297,
9 x 99,
11 x 81,
27 x 33,
Hope I can help you :)