If triangle ABC has the following angle measurements, find the value of Angle A, Angle B, and Angle C. ∠A=4x − 17

∠B= 3x + 8

∠C= x + 13

Step-by-step explanation:

4x - 17 + 3x + 8 + x + 13 = 180

8x + 4 = 180

8x = 176

x = 22

<A = 4x - 17

<A = 4*22 - 17

<A = 88 - 17

<A = 71

<B = 3x + 8

<B = 3*22 + 8

<B = 66 + 8

<B = 74

<C = x + 13

<C = 22 + 13

<C = 35

A B and C add to 180 as they should.

I'm sorry, that's all I can do.    No time.

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

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