2. Simplify: 12(3y + x)

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

What are two numbers that have a sum of 15?

Write 5 in the form of a/b using integers to show it as a rational number