The red pencil is 15 centimeters long. The green pencil is 9 centimeters shorter than the red pencil. What is the total length of both pencils?

20 centimetres

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21 centimetres

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24 centimetres

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25 centimetres

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Solution

The correct option is B 21 centimetres
Length of the red pencil = 15 centimetres
The green pencil is 9 centimeters shorter than the red pencil.
$∴$ Length of the green pencil = 15 - 9 = 6 centimetres

Total length of both pencils = 15 + 6 = 21 centimetres

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The red pencil is 15 centimeters long. The green pencil is 9 centimeters shorter than the red pencil. What is the total length of both pencils?

The correct option is B 21 centimetresLength of the red pencil = 15 centimetres The green pencil is 9 centimeters shorter than the red pencil. ∴ Length of the green pencil = 15 - 9 = 6 centimetres Total length of both pencils = 15 + 6 = 21 centimetres

The correct option is B 21 centimetres
Length of the red pencil = 15 centimetres
The green pencil is 9 centimeters shorter than the red pencil.
$∴$ Length of the green pencil = 15 - 9 = 6 centimetres

Total length of both pencils = 15 + 6 = 21 centimetres