Answer:
4, because 12/3 is 4 cause 3×4=12
Answer:
2x-2y
Step-by-step explanation:
2 times x = 2x
2 times -y = -2y
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:

300 is the original amount and 0.5 is the rate (a percent) which is deacying because it is less than 1
The answer is -4 hope that helps :)