113,115,117 if you add them up you should get 345
His average speed is 40mph you get your answer by dividing 80 by 2, or or you could do what is half of 80 which is 40. So Mr.Campbell average speed is 40mph
X= -23/3, 23/3 calculate absolute value move constant to the right subtract those two numbers divide both by 3 then you get the answer i put up there
If factors are only rounded up, then the estimate is an overestimate. If factors are only rounded down, then the estimate is an underestimate. When some factors are rounded up and some are rounded down, it is harder to tell whether the estimate is an overestimate or an underestimate.
Answer:
24.686
Step-by-step explanation:
20% is 1/5 so you divide by five. 123.43/5 = 24.686
24.686
x 5
----------
30
400
3000
20000
100000
123430
add decimal
123.430
= 123.43
