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Answered by
1
Answer:
in short
Step-by-step explanation:
thus,the number -4 must be subtracted from 12,16,21 so thr resultant numbers are in continued proportion
Hope it helps u
Answered by
2
Answer:
let the number be x
=> 12-x = 16-x
16-x 21-x
=> (16-x)^2 = (12-x)(21-x)
=> 16^2+x^2 -2×16x = 12×21 -12x- 21x +x^2
=> 256+x^2-32x = 252-33x +x^2
=> 33x -32x = 252-256 +x^2-x^2
=> x = -4 answer
Step-by-step explanation:
HOPE IT HELPS :-))
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