Mrs. travis rode her bike 17.8 miles the first week, 21.5 miles the second week, and 13.4 miles the third week. the rest of her mileage was in the final week of the month. her total mileage for the month was 62.9 miles.

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)