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The ratio of the height of a stick to the height of an umbrella is 4 : 5. The umbrella is 40 cm. What is the total height of the stick and umbrella



As given umbrella height = 40cm
as ratio given 4 is to 5
so 4x=40
so stick= 5x
=5 × 10 =50
all together height =50+40
= 90cm

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The ratio of the heights of stick to the umbrella is 4:5
suppose the hieght of  umbrella is 5x and the height of the stick is 4x
the height of the umbrella is 40 cm
therefore by given condition 5x=40    x=8
and therfore the height of the stick=4x=4×8=32
The sum hieghts of the umbrella and the stick =40+32=72 cm
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