Answer:
260%
Step-by-step explanation:
For the coffee;
cost price (
) = $5/kg
selling price (
) = $18/kg
Percentage profit (%P) = 
%
Substitute the right values into the above;
%P = 
%
%P = 
%
%P = 260%
Therefore, the percentage profit compared to the original cost of the coffee is 260%
4/5 is in its simplest form.
The answer to your question is
since there are no common factors, the only common factor for x4 + y4 is 1
hope this helps
So multiply with powers is actually adding powers with same base
So answer is 12a^(2+3)b^(2+1) = 12a^5b^3
