Josiah went to the local barber to get his hair cut. it cost $18 for the haircut. josiah tipped the barber 15%. what was the total cost of the haircut including the tip

$20.70

Step-by-step explanation:

Turn the % to a decimal.

15%= 15/100 = 0.15

Multiply the total and decimal.

18.00 x 0.15

= 2.70

Add the total to the sum.

18.00 + 2.70

= 20.70

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The total cost of the haircut including the tip is $20.70. 18*15%=2.70+18=20.7.

Hope this helps:)

Part A: 126 cubes can be packed in rectangular Prism.

Part B: The Volume is 126 cubic foot.

Step-by-step explanation:

Given:

Length of Prism =

can be Rewritten as

Length of Prism =

Width of Prism = 1 feet

Height of Prism =

can be rewritten as  

Height of Prism =

Now First we will find the Volume of Rectangular Prism.

Volume of Rectangular Prism is equal to length times width times height.

framing the equation we get;

Volume of Rectangular Prism =

Also Given:

Length Sides of cube =  

Now we will find the volume of cube.

Volume of cube is given by cubing all sides.

Volume of cube =

Volume of cube =

Part A:

We need to find Number of Small Cubes can be packed in the rectangular prism.

Number of Small Cubes can be packed in the rectangular prism is equal To Volume of Prism Divided by Volume of Cubes.

framing in equation form we get;

Number of Small Cubes can be packed in the rectangular prism =

Hence 126 cubes can be packed in rectangular Prism.

Part B:

Given:

Unit cube volume = 1 cubic foot

Volume of Small Cubes =  

Hence The Volume is 126 cubic foot.