Aphotograph now measures 33 cm wide by 45 cm long. before it was enlarged, its width was 11 cm. which equation represents this proportion correctly?

Step-by-step explanation:

Let be "x" the lenght (in centimeters) of the rectangular photograph before it was enlarged,

According to the information given in the exercise, you know that the width of the photograph, before the enlargement, was 11 centimeters.

Then, knowing that the new dimensions of the photograph are:

You can write the following proportion to represent this:

Now, if you solve for "x" by multiplying boths sides of the equation by 45,you get that its value is:

, ; dcbsdkmnld

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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