Question

# $$20\%$$ of the length of a flagpole is painted green, $$45\%$$ is painted yellow and the remaining red. If the length of the pole is $$18 \,m,$$ what length of it is painted red ?

Solution

## Length of pole $$= 18 \,m$$Percentage of pole which is painted green $$= 20\%$$Percentage of pole which is painted yellow $$= 45\%$$and remaining pole $$= 100 - (20 + 45) = 35\%$$and it is painted redLength of pole which is painted red$$= 35\%$$ of $$18 \,m = \dfrac{35}{100} \times 18$$$$= \dfrac{63}{10}$$$$= 6.3 \,m$$Maths

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