Given the replacement set {2, 3, 4, 5}, solve 4x – 3 = 2x + 5. 2
3
4
5
Given the replacement set {0, 1, 2, 3, 4}, solve 6x – 9 = 15.

x = 4

x = 3

x = 2

x = 1
Evaluate the expression if s = 3 and t = 6.

3s + t

15
21
27
39
Given the replacement set {0, 1, 2, 3, 4}, solve 5x – 4 = 16.
x = 0
x = 2
x = 3
x = 4

the answer is from the given replacement is 4

a box 3 3/4 feet long or 4+ feet.

step-by-step explanation:

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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