You could either:
a) Use the Pythagorean Theorem
b) Use Sine/Cosine/Tangent Inverse to find one of the angles, and then use that angle to find x.
Answer:
0.6 repeating
Step-by-step explanation:
Answer: $15.40
Work: Okay, so to find the tax, you multiply the price (Original), and the tax percentage (Remember, before you multiply the tax percentage, make sure in this form (.10) Okay, after multiplying $14 by .10, you get $1.4. Add that to $14, and you get $15.40. I hope this helps, and stay safe! :)
You were right because you work backwards. so start with 80 and multiply that by 2 to get 160. Then divide that by 10 to get 16