answer:
payment just for service
→
$
87.12
payment for service including tax
→
$
94.09
explanation:
service only with 20% tip
→
$
72.6
(
1
+
20
100
)
=
$
87.12
in the opening of the question the word 'service' is associated only with the pretax value.
the closing part of the question asks: how much did she pay for the
service
−−−−−−
so technically the answer is
→
$
72.6
(
1
+
20
100
)
=
$
87.12
however, the intention of the question provider may have been that your answer is to be
$
87.12
(
1
+
8
100
)
=
$
94.09
to 2 decimal places.
'
payment just for service
→
$
87.12
payment for service including tax
→
$
94.09
tony b
mar 21, 2017
answer:
trying to explain it another way
explanation:
service charge
.
→
$
72.60
20% tip
20
100
×
$
72.60
=
$
14.52
−−−−−−
←
add
$
87.12
tax
8
100
×
$
87.12
=
$
6.97
−−−−−
←
add
$
94.09
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