The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?
Question
The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?
Solution 1
To find the actual length of the car, you need to multiply the length of the car on the scale drawing by the scale factor.
Step 1: Identify the scale factor. In this case, the scale is 1 cm:4 ft. This means that 1 cm on the drawing represents 4 ft in real life.
Step 2: Multiply the length of the car on the scale drawing by the scale factor. The car is 3 cm long on the drawing, so you would do 3 cm * 4 ft/cm.
Step 3: Simplify the calculation. The cm units cancel out, leaving you with 3 * 4 ft = 12 ft.
So, the actual length of the car is 12 feet.
Solution 2
To find the actual length of the car, you need to multiply the length of the car in the scale drawing by the scale factor.
Step 1: Identify the scale factor. In this case, the scale is 1 cm:4 ft. This means that 1 cm in the drawing represents 4 ft in real life.
Step 2: Multiply the length of the car in the scale drawing by the scale factor. The car is 3 cm long in the drawing, so you would do 3 cm * 4 ft/cm.
Step 3: Simplify the calculation. The cm units cancel out, leaving you with 3 * 4 ft = 12 ft.
So, the actual length of the car is 12 feet.
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