The original amount is 44 photos then he took 25 more photos in 6 days. what is the rate
of change

The rate at which amount of photo increase after 6 days is 7.75

Step-by-step explanation:

Given as :

The original amount of photo = 44

The final amount of photo = 44 + 25 = 69

Time period = 6 days

Let The rate = r

So, final value after n days = original value ×

Or, 69 = 44 ×

Or, =  

Or, 1.568 =  

Or, =

Or, ( 1.0775 - 1 ) × 100 = r

Or, 0.0775 × 100 = r

∴   r = 7.75

Hence The rate at which amount of photo increase after 6 days is 7.75 Answer

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

step-by-step explanation:

first you will have to convert 3/4 into a decimal

which is .75

then you will have to divide 1.5 by .75

which is 2

no you have to divide