Step: 1

Let n be the actual length of the plane.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The actual length of the plane is 34.8 ft.

Correct Answer is : 34.8 ft

Step: 1

Let n be the height of the actual Eiffel Tower.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Multiply.]

Step: 5

The actual height of the Eiffel Tower is 328 y d .

Correct Answer is : 328 y d

Step: 1

Let n be the height of the building on paper.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Divide both sides by 19 and then simplify.]

Step: 5

The height of the building on paper is 26 in..

Correct Answer is : 26 in.

Step: 1

Let n be the actual length of the land.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The actual length of the land is 36 ft.

Correct Answer is : 36 ft

Step: 1

Let n be the length of the soccer ground on map.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The length of the soccer ground on the map is 10 cm.

Correct Answer is : 10 cm

Step: 1

Let n represent the actual area of the region.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The actual area of the region is 40 mi^{2}.

Correct Answer is : 40 mi^{2}

Step: 1

Let n be the actual length of the antenna.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

Hence, the actual length of the antenna is 80 meters.

Correct Answer is : 80 meters

Step: 1

Let the size of the font be n .

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The size of changed font is 0.5 in.

Correct Answer is : 0.5 in.

Step: 1

Let n be the height of the model.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The height of the model is 15 feet.

Correct Answer is : 15 feet

Step: 1

Let n be the actual height of the elephant.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The height of the actual elephant is 14 ft.

Correct Answer is : 14 ft

Step: 1

Let n be the actual height of the painting.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The length of the actual painting is 13.3 in.

[Simplify.]

Correct Answer is : 13.3 in.

Step: 1

Let n be the height of the building in the blueprint.

Step: 2

[Write the scale and its related proportion.]

Step: 3

[Write the cross products.]

Step: 4

[Simplify.]

Step: 5

The height of the commercial complex in the blueprint will be 12 inches.

Correct Answer is : 12 inches

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