108 mins✍ 48÷4=12 1 sprinkler takes 12 mins 48+48=96 = 8 sprinklers 1 more equals 12 so 96+12=108
Well you do 57 time 7 and get 399 and then it says how far will she have driven so you would add the 60 and get 459 miles.
This is the answer 104.4285714285714
