Answer:
Step-by-step explanation:
The change Melody receives:
=
$
41.58
Step-by-step explanation:
Cost of skateboard
=
$
79.81
Cost of helmet
=
$
26.41
Total
=
$
106.22
She uses a
45
%
off coupon, this means she pays
55
%
(
100
−
45
)
of the total cost:
She needs to pay only:
55
100
×
106.22
=
$
58.421
Since she uses a
$
100
bill the change she receives is:
100
−
58.42
=
$
41.58