Answer:
5.8
Step-by-step explanation:
Side KI is proportional to HF, and as we know GH is proportional to JK, we can make a proportion. x/31 = 8/43, 43x = 248, so x = 5.767, which rounds to 5.8
An equation for that would be.
x => 67
20% of 15 is 12$, and tax is 5% so it comes out to 12.60$
The answer is B
