Did You get the answer to this? Are you in k12??
Answer:
Puddles of water seen after a rainstorm that are clouded with sediment suggest erosion is occurring whereas puddles of clear water are a sign of minimal erosion. Lighter colored soil seen overtime is also a sign of erosion but can be more difficult to identify.
Ok, so first you have to count le 15% off. It means you pay 85% of the price
0,85•65= 55,25$
Second, you take the 10$ off
55,25-10=45,25$
Third, you have know what percentage of the original price you paid
45,25 divided by 65 =0,6962
So you actually paid 69,62% of the original price
Answer: (A) shows how variolation became more popular as it was proved helpful