Step 1:

(5a)

Step 1:

Typical shoe boxes are about 11.5" x 7" x 3.75" (29.5cm x 18cm x 9.5cm). \ \

Consider the dimensions of the shoe box as cm.

The volume of the shoe box is .

Substitute corresponding values.

.

The volume of the shoe box in cubic centimers is .

Find the volume in cubic meters.

.

The volume of the shoe box in cubic centimetrs is .

.

The volume of the shoe box in cubic meters is .

(b)

The volume of the shoe box in cubic meters is .

The volume of the shoe box in cubic centimers is .

It is easy to measure volume of the shoe box in cubic centimeters.

Hence appropriate volume is .

When measured the volume of the shoe box in cubic meters it is very small measurement.

Therefore,

Width of the door is 22 inches and height of the door is 96 inches.

Convert the dimensions into centimetres.

Convert width of the door in centimetre.

Round to the nearest tenth.

Width of the door in centimetre is 55.9 cm.

Step 2:

Convert height of the door in centimetre.

Round to the nearest tenth.

Height of the door in centimetre is 243.8 cm.

The dimensions of the door is cm.

Solution:

The dimensions of the door is cm.

(5b)

Step 1:

The dimensions of the door is cm.

Width of the door is 55.9 cm and height of the door is 243.8 cm.

Convert the dimensions into metres.

Convert width of the door in metres.

Width of the door in metre is 0.559 m.

Step 2:

Convert height of the door in metre.

Height of the door in metre is 2.438 m.

The dimensions of the door is m.

Solution:

The dimensions of the door is m.