) If x represents the unknown part, which of the following shows a valid set of steps that can be used to find 15% of 30? 15 A. 30 B. 100 30 15 100 X 100x = 15.30 30x = 15 . 100 x = 4.5 x = 50 30 C. 15 100 D. 15 30 100 15x = 30 • 100 30x = 15 • 100 x=200 x = 50

A. 15/100 = x/30

100x = 15 times 30

100x = 4.5

Step-by-step explanation:

I did the assignment thank me later.

11 feet 6 inches and 8 feet 6 inches

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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