Answer:
yes it's easy
Step-by-step explanation:
y=-2x
it may help you to understand.
140°+h=180°
h=180°-140°
h=40°
Let 'x' be the original price.
x + 39% of x = 197.38
x + 0.39 x = 197.38
1.39x = 197.38
x = 197.38/ 1.39
x = 142
