Answer:
The answer is 4
Step-by-step explanation:
5c+cd
d=15
c=1/5
Substitute the value of the letters given into the equation
Therefore,
5(1/5)+(1/5×15)
Then open the bracket,it gives
1+3
=4
Therefore the final answer is 4...
If this kind of question is given,the best way is to follow the step by step procedure and ensure that you don't miss any steps or else it will be like a waste of marks
