Question

what same number should be added to each of the numbers 2,7,10,25 so they may be in proportion.

Answer 1

$2 + x \div 7 + x = 10 + x \div 25 + x$

Rest solve it by yourself for your own practice

;-);-);-)

Answer 2

Answer:

2

Step-by-step explanation:

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

50 + 27x + x² = 70 + 17x + x²

10x = 20

x = 2