Answer:
20 + .06x = 50
.06x = 30
x = 50
280
Step-by-step explanation:
D = kt
105 = 3k
k = 35
D = 35t
D = 35(8) = 280
1 mile = 1760 yd
=> 488 miles = 1760 yd × (488 miles)
it could be 858,880 yd
16. 7
17. 250
18. 19.5
19. 45.09
20. 11.8