Answer:
4 and 12
Step-by-step explanation:
a = young
b = old
b = 3a, a+b =2a+8 => a = 4, b = 12
The mean is 13.5 and the median is 5.5
You would use the formula c=<span>πd</span>
To write 23/8 as a decimal you have to divide numerator by the denominator of the fraction.
<span>We divide now 23 by 8 what we write down as 23/8 and we get 2.875 </span>
<span>And finally we have: </span>
23/8 as a decimal<span> equals </span><span>2.875</span>