50-35.65
=15.35 Rs is the amount the boy got from the shopkeeper

I'm not sure why ± that sybol isn't working
all together you can write

Ughh just ignore the "A" symbol .-.
X=25 degrees
2x+3x+x+30 = 180
6x+30 = 180
180 - 30 = 150
6x = 150
150/6 = 25
X = 25
The tie was marked down by 40%
Answer:the answer is {( -5,1),(-3,2),(-1,3),(1,4),(3,5)}
Step-by-step explanation: The x should not repeat