Question

month of November, how would her five month average compare to her six month average for monthly tips?

June
July
August
Septemper
October
November
$133.45
$235.31
$239.45
$258.87
$298.45
$115.67
a.
Her monthly average would have decreased by $19.57.
b.
Her monthly average would have increased by $19.57.
c.
Her monthly average would have increased by $2.07.
d.
Her monthly average would have decreased by $2.07.


Please select the best answer from the choices provided

A
B
C
D

Answer 1

A

Five-month total (June–Oct) = $1,165.53 → average = $1,165.53/5 = $233.11
Six-month total (June–Nov) = $1,281.20 → average = $1,281.20/6 = $213.53

Difference = $233.11 − $213.53 ≈ $19.57, so the average decreased by $19.57.