Question 785499
speed of current = C


distance = (rate)(time)


(35 + C)(32/60) = (35 - C)(48/60)
8(35 + C)/15 = 4(35 - C)/5
280 + 8C = 3(140 - 4C)
280 + 8C = 420 - 12C
20C = 140
C = 7


The current travels at 7 mph.