Answer:
50 miles
Explanation:
70% / 100% = 35 miles / out of total miles
So,
70/100 = 35/n
x n both sides
0.7n = 35
รท0.7
n = 50
(70/100 is the same as 0.7 - I made it that way so you could understand better & n is a variable - representing an unknown number or value)
Check:
35/50 x 100 = 70%
Hope this helps!