We have,

Introduce variable
such that 
The sum
is therefore 
So,
(sadia's age)
(father's age)
Hope this helps :)
Answer:
The point moves four places to the right
Step-by-step explanation:
<---------------------------------------->
-7 -6 -5 -4 -3 -2 -1 0 1 2
Answer:
22.5
Step-by-step explanation:
Step-by-step explanation:
Solution,
Given:-
To find:-
Now,
by the question and given conditions we have
Hence, the the value of 4bc is 48.
4/5 is in simplest form because you cannot find a common number that is divisible by both 4 and 5. Thus, you would leave your answer as 4/5... simplest form.