1-нұсқа 1)Мына теңдеуге мәндес бір теңдеуді жазыңыз: 2x-1,2=3x+1,5 [1]
2) Берілген сан аралықтарының сан түзуінде кескіндеп, қиылысуы
мен бірігуін жазыңыз: (-оо; -3] және (-5;+oo)
ВТеңдеуді шешіңіз: а) 1,6(х - 3) = 0,8(х - 5)
ә) 13х+5=7 (6)
4) Теңсіздіктер жүйесінің бүтін шешімдерінің санын табыңыз:
[5]​

what is your question I can't understand

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: