$530.40/4= $132.60
$132.60 x 3=$397.80
Or
$530.40 x .75= $397.80
Well, first fin dyour best estimate mine is...600
Then after you got your best estimate divide that my 20
600/20 = 30
Hope this helped :D
Maybe you should contact your teacher
Answer:
Step-by-step explanation:
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