This question is kinda hard me to answer. need on this.

x = 6.

We know that the right angle is 90°. So:

(x + 54)° + 5x° = 90°

x° + 54° + 5x° = 90°

6x° + 54° = 90°

6x° = 90° - 54°

x = (90° - 54°)/6°

x = 36°/6°

x = 6

Then, solving for x we obtain:

5x° = 5(6)° = 30°

(x + 54)° = (6 + 54)° = 60°

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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