Answer:
(621.49 x 0.1) + 13.99 = x
Step-by-step explanation:
Hope this helps.
1. -3
2. 12
youre welcome
42 13/20 km
10 3/10+9 7/20+14 7/10+ 8 9/20=41+ (6+7+14+9)/20=41 + 1 13/20= 42 13/20 km