For this case we must find an expression to find 40% of 25. So, we make a rule of three:
25 -----------> 100%
x -------------> 40%
Where "x" represents the amount that determines 40% of 25.

40% of 25 is 10. And an expression to find it is:

Answer:

Answer:
X= 75, Y=30 there you go!
Step-by-step explanation:
Sorry but I can’t see the picture
This is a cubic equation so it will have a total of three roots.
there is only one change of sign so the equation will have one positive real root.
The other 2 roots will be negative and might be real or complex