3/5 + 5/7 = 1 11/35 - 1/5 = 1 4/35 which is your final answer.
Answer: $0.28
Step-by-step explanation: Pic is attached. Hope this helps. Sorry for the bad handwriting, I'm writing with a mouse.
If u separate these into 2 triangles then they will become 90 degree triangles so angle a=angle c.