In 2012 five US postal stamps cost $2.20 how much did 7 stamps cost

Step-by-step explanation:First, divide 2.20 by 5 to find the price of a single stamp.

2.20 ÷ 5 = 0.44

One stamp cost $0.44

Now, you multiply this by 7 to find the cost of seven stamps.

0.44 × 7 = 3.08

In 2012, seven stamps cost $3.08

$3.08

Step-by-step explanation:

so 5= 2,20

dividing them will get .44

now multiple by 7

3.08

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

i got 10.28 but that rounds up to 10.3