Which expression can be used to convert 80 US dollars (USD) to Australian dollars (AUD)?

1 USD = 1.0343 AUD
1 AUD = 0.9668 USD

80 U S D times StartFraction 0.9668 U S D Over 1 A U D EndFraction
80 U S D times StartFraction 1.0343 U S D Over 1 A U D EndFraction
80 U S D times StartFraction 0.9668 A U D Over 1 U S D EndFraction
80 U S D times StartFraction 1.0343 A U D Over 1 U S D EndFraction

80 U S D times StartFraction 1.0343 A U D Over 1 U S D EndFraction

Step-by-step explanation:

we know that

1 USD = 1.0343 AUD

so

using proportion

Convert  80 US dollars (USD) to Australian dollars (AUD)

therefore

80 U S D times StartFraction 1.0343 A U D Over 1 U S D EndFraction

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

$9.89

step-by-step explanation:

9.90 = p x .06 x .25 (3/12 changed to a decimal)

9.90 = p x 0.015

9.90 - 0.015 = p

9.89 = p