Answer:
$10
Explanation:
Given that:
Amount earned for 0 mile = $50 (earned for signing up)
Amount earned for walking 1 mile = $60 ($50 for signing up and $10 for. Walking)
Hence, the amount earned per mile walked according to the information given is $10
Total amount earned =. Sign up fee +. Walking fee
$60 = $50 + walking fee
Walking fee = $60 - $50
Walking fee =. $10
Miles walked = 1 mile
Hence , amount earned per mile = $10