Answer:
x = 45
Step-by-step explanation:
Corresponding sides of similar triangles will be in same ratio.

Cross multiply
x*28 = 20*(x+18) {Use distributive method}
28x = 20x + 360
28x - 20x = 360
8x = 360
x = 360/8
x = 45
Answer:
m=1
Step-by-step explanation:
Answer:
200
Step-by-step explanation:
The price is 100%-20%=80% of the original.
So, 250*0.8 = 200