444 markers cost \$7.04$7.04dollar sign, 7, point, 04. Which equation would help determine the cost of 777 markers? Choose 1 Choose 1 (Choice A) A \dfrac{4}{7} = \dfrac{\$7.04}{x} 7 4 ​ = x $7.04 ​ start fraction, 4, divided by, 7, end fraction, equals, start fraction, dollar sign, 7, point, 04, divided by, x, end fraction (Choice B) B \dfrac{x}{7} = \dfrac{4}{\$7.04} 7 x ​ = $7.04 4 ​ start fraction, x, divided by, 7, end fraction, equals, start fraction, 4, divided by, dollar sign, 7, point, 04, end fraction (Choice C) C \dfrac{7}{x} = \dfrac{\$7.04}{4} x 7 ​ = 4 $7.04 ​ start fraction, 7, divided by, x, end fraction, equals, start fraction, dollar sign, 7, point, 04, divided by, 4, end fraction (Choice D) D \dfrac{4}{7} = \dfrac{x}{\$7.04} 7 4 ​ = $7.04 x ​ start fraction, 4, divided by, 7, end fraction, equals, start fraction, x, divided by, dollar sign, 7, point, 04, end fraction (Choice E) E None of the above

A:  =

Step-by-step explanation:

Khan Academy

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

related questions

practice. practice. practice.