$20 because 10% of 40 is 10 and the price now is 40 so 2 years before would have been 20
You can find the perimeter of a pentagon by its vertices or by using an unit circle
Answer:
x = 200
Step-by-step explanation:
1/5x – 2/3y = 30
substitute in y
1/5x - 2/3(15) = 30
multiply
1/5x - 10 = 30
isolate the variable
1/5x = 40
multiply each side by 5
x = 200
The answer is A. this is because your are multiplying by 9 throughout
