Question

What same number should be added to each of number 2,7,10 and 25 so that they from a proportion

Answer 1

Answer:

the answer is 2

Step-by-step explanation:

( 25 + x ) ( 2 + x ) = ( 7 + x ) ( 10 + x )

50 + 27x + x² = 70 + 17x + x²

10x = 20

x = 2

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