It is less than 100 greater than 10 and you use a total of 7 base ten blocks to show this number the number of tens blocks is greater than the number of ones blocks one of the digits is 4

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance