the length and the breadth of the rectangular garden Are in the ratio 7:5 and the perimeter is 96m find length and breadth of the garden
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Answer:
28m and 20m respectively
Step-by-step explanation:
let the unknown number be a
perimeter = 96 m
( i.e ) 2( l+ b) = 96
2( 7a + 5a ) = 96
2( 12a ) = 96
12a = 96/2
12a = 48
a = 48/12
a = 4
l = 7a = 7 x 4 = 28 m
b = 5a = 5 x 4 = 20 m
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