Thea builds the first layer of a rectangular prism using 4 unit cubes raj adds 4 more layers how many unit cubes are used?

20 unit cubes were used.

Step-by-step explanation:

Thea builds the first layer of a rectangular prism with 4 unit cubes.

Raj added 4 more layers so total five layers were there to build a new prism. Now we have to calculate total number of cubes used.

By unitary method

∵ One layer of rectangular prism used number of cubes = 4

∴ 5 layers of prism will use cubes = 5×4 = 20 unit cubes

Total 20 unit cubes were used.

step-by-step explanation:

my butt

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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