The full answer is 51.5148515, however, rounded to the nearest tenth it is 51.5.
Explanation: Divided 1,300.75 by 25 1/4 to make this easier turn 25 1/4 into a decimal: 25.25. Now divided 1,300.75 by 25.25 and you get the number of minutes.
Step-by-step explanation:
Let the son's age be x and man be y
y=26+x
y=8+3x
x=9
Son's age is 9
To find the mean, you add all the elements together, then divide by the number of elements.
Like this:
(45+48+49+40+53)/5=47
in other words the correct answer is 47 inches.
EDIT: Did the foolish mistake, of using the wrong numbers the first time. Fixed now and the answer is correct.
Answer is A. 18
Because n + 18 =2n
