The math department is putting together an order for new calculators. The students are asked what model and color they prefer.
Model 55 Model 66 Model 77 Total
Black 0.05
0.03
0.02
0.10
Silver 0.20
0.40
0.30
0.90
Total 0.25
0.43
0.32
1.00
Which statement about the students' preferences is true?

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

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

answer is 12345678900987654321234567890987654321

step-by-step explanation:

step-by-step explanation: