Solve Question

a/5 + 3 = 8

3b/7 - 1 = 5

a=25

b=14

Step-by-step explanation:

to find a -

Step 1: Simplify both sides of the equation.

Step 2: Subtract 3 from both sides.

Step 3: Multiply both sides by 5.

to find b-

Step 1: Simplify both sides of the equation.

Step 2: Add 1 to both sides.

Step 3: Multiply both sides by 7/3.

a/5 + 3 = 8

a=25

Step-by-step explanation: look at pic

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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