Will give brainliest to who ever answers

Step-by-step explanation:

1. 2b-5=7   2b=7+5  ,2b=12 / 2   b=6

2.3z+2=8 3z=8-2 3z=6/ 3        z=2

3. 4x+1=13 4x=13-1 4x =12/4     x=3

4. x/2 -8=2 x-16=4 x=4+16    x=20

5 f/3 +5=6 f+15=18 f=18-15      f=3

m/4-3=0 x4 m-12=0              m=12

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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