Question

. When a number is subtracted from the number 8,12 and 20, the remainders are in continued proportion, Find the number ?

Answer 1

Answer:

x=4

Step-by-step explanation:

Let x is subtracted then it form coninued proportion

So (8-x)/(12-x)=(12-x)/(20-x)

Or (8-x)(20-x)=(12-x)²

160-8x-20x+x²=144-24x+x²

-28x+24x=144-160

-4x=-16

x=4

Answer 2

Answer:

X = 4

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