Answer:
121
Step-by-step explanation:
to find the average, you are going to add them together and divide by two, because you have two numbers. so 137 + 105 = 242. then divide. 242/2 = 121 that is your answer.
simplify each expression
30
180-100=80
80+70=150
180-150=30
the first one
42 ft in 6 seconds
The person whom walks a greater distance in lees time is faster
