(25) x (5) ÷ (125) = 5

1.	(25) x (5) ÷ (125) = 5
Answer» Let (25)7.5 x (5)2.5 ÷ (125)1.5 = 5x. Then, (52)7.5 x (5)2.5 = 5x (53)1.5 5(2 x 7.5) x 52.5 = 5x 5(3 x 1.5) 515 x 52.5 = 5x 54.5 5x = 5(15 + 2.5 - 4.5) 5x = 513 x = 13.

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