A music store buys instruments and then sells them for 30% more than they paid.
1 answer:
You might be interested in
Answer:
x = 22
Step-by-step explanation:
Adding all the degrees to a triangle must equal 180
120 + (x+16) + x = 180
2x + 136 = 180
-136. -136
2x = 44
x = 22
