is one anomaly enough to disprove a hypothesis? if not, how many are? what should we do if the evidence neither supports nor contradicts the hypothesis?

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?