What is the quotient? a-3/7 - 3-9/21

a-3/7 - 3-9/21

Group like terms:

a - 3/7- 9/21- 3

Cancel 9/21 to 3/7:

a-3/7-3/7-3

Combine the fractions:

a- 6/7- 3

Convert element to fraction:

3*7/3 - 6/7

Since the denominators are equal combine the fractions:

-3*7-6/7

-3*7-6= -27

-27/7

Apply the fraction rule:

a- 27/7

Your Answer Is a - 27/7

plz mark me as brainliest :)

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

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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