Question

Gaurav takes 15 rounds of a rectangular park whose length is twice its breadth. If the total distance covered
by Gaurav is 900 m, find the length and breadth of the park.​

Answer 1

Answer:

lrt length =x and breadth =y

x=2y

15*perimeter= 900

15* 2*(x+y)

30(3x/2)=900

90x/2=900

x=20

y= 10

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Step-by-step explanation:

Answer 2

question:Gaurav takes 15 rounds of a rectangular park whose length is twice its breadth. If the total distance covered

by Gaurav is 900 m, find the length and breadth of the park.

answer:

length of park = 2 × breadth of park

$= l = 2b$

$perimetre \: of \: park \: \\ = 2(l + b) \\ = 2(2b + b) \\ = 2 \times 3b \\ = 6b$

Gaurav takes 15 rounds of rectangular park by 900m

$= 15 \times 6b = 900m \\ = > 6b = \frac{900m}{15} \\ = > 6b = 60m \\ = > b = \frac{60m}{6} \\ = > b = 10m$

therefore, breath of rectangle =10m

given,l=2b

then,l=2×10m

=> l=20m