Indira withdrew $20 from her account every day for 5 days, then deposited $45 into the account. which expression represents the change in the amount in her account?

Step-by-step explanation:

Given : Indira withdrew $20 from her account every day for 5 days, then deposited $45 into the account.

To Find: Which expression represents the change in the amount in her account?

Solution:

We are given that she withdrew in 1 day = $20

So, She withdrew in 5 days =

Since she is withdrawing $100

So, withdrawal = -100

Then she  deposited $45 into the account.

So, expression:

-55 shows the change in the amount in her account

Negative sign shows that balance will be decrease by 55.

Hence expression:

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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