Answer:
2nd one is the answer if it's the question
Answer:
x=18
Step-by-step explanation:
Add up all the angles and then equal them to 180
6x+3x+x=180 Simplify!
10x=180
x=18
Answer: it’s d
I don’t have time to write the work but there you go
50 x .40 = 20
50 - 20 = 30
approx. $30