Answer:
Assumptions and bias
Step-by-step explanation:
Creativity and imagination is also not, but assumptions and bias ruin your investigation.
$24
Jodie bought 4 shirts
Marge bought 3 shirts
9 dived by 3 = 3
so he surfed for 3 hours = 1/3 of 9
and there are 6 hours left
so he spent 6 hours building a sandcastle