Practice and Problem Solving: Modified koncom Tell whether each ordered pair is a solution to 2x - 5y = 6. The first
one is done for you.
1. (3.0)
2. (8,2)
3. (0, -1)
4.(-2,-2)
yes
Tell whether each ordered pair is a solution to 2x + y2 = 40. The first
one is done for you.
5. (10, 15)
6. (2,6)
7. (-12, 8)
8. (4.12)
no
Complete the table of values to find solutions for each equation.
The first one is done for you.
9.
10.
X
(x, y)
y = -x + 4
2
6
(2.6)
2
6
3x - y
(x, y)
(26)

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

the answer is 9.8975

explanation:

when you multiply the "39.59" with the 25% it reduces it and shows its final discounted price. hope this !

step-by-step explanation:

it shoild be o

step-by-step explanation: