Answer:
140
Step-by-step explanation:
1 and 3 are vertical angles meaning they are equal. 4 and 3 make a straight angle. A straight angle is 180.
180-140=40
2 and 4 are straight angles so should be equal.
1=140
2=40
3=140
4=40
428,731=400,000 175,842=200,000 400,000-200,000= 200,000
Answer: 25(11)=275 which is the price of the 11 bought at the door