200 - (2x) = 42
200 - 42 = 2x
158/2 = 2x/2
x = 79
he is 79 years old
hope this helps
a wise 'old' man
Well, you can't have 4/3 of a rope because 3/3 would be one whole. That is an improper fraction. It would be 1 and 1/3. If you divide that in to two, then you get 2/3. Is that the answer you were looking for?
Answer:
<h2>
6</h2>
Step-by-step explanation:

Collect like terms

Calculate the sum

Move constant to RHS and change its sign

Calculate

Divide both sides of the equation by -5

Calculate

Hope this helps...
Best regards!!
Arranging in ascending order we have
52 55 59 60 62 65 65 66
The median = (60+62)/2 = 61
The mean = 484 / 8 = 60.5
range = 66-52 = 14
interquartile range = 65 - 57 = 8
pairs = 65