Assume you have collected data pairs (x, y) on a certain variety of tree. xis the number of weeks since the tree was planted and y is the height of the tree
in inches. A plot of the data points with the best-fit line is given below. What
age is predicted by the best-fit line for a height of 90 inches?
180
140
120
100
Height
50
B0
40
ZO
20
40
103 120
Age

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

6.5

step-by-step explanation:

you said it was in the question

~courtney

your question is incomplete, write all the numbers in the sequence that it tells you.  

step-by-step explanation: