please solve this sums and show me the working also
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1. The distance between each rose plant is 3/7 m
Distance between the first and the last plant = 3/7 +3/7 + 3/7 m
= 9/7m = (1 2/7) m
2. Thickness of a book= 2 1/4 inches
The width of the shelf= 20 1/4 inches
No.of books that can fit into it= (20 1/4)/(2 1/4)
= (81/4)/(9/4
= (81/4) × (4/9)
= 9
Therefore 9 books can b kept.
3.
The distance travelled by car = 35 2/5 km = 177/5 km
The distance travelled by bus=
15 1/10 km= 151/10 km
Total distance travelled= 177/5 + 151/10
= (354+151)/10. [Taking LCM]
= 505/10 = 50.5 km
It is given that the half of her journey is still there to complete
It implies that the first half of the journey is completed
The other half of the distance must be equal to the first half
Therefore the distance that Juliet has to cover now = 50.5 km.
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