1.

0.25(4f-3)=0.05(10f-9)​

Answer»

0.25(4f-3)=0.05(10F -9)1F -0.75 =0.5f-0.451f-0.5f= -0.45+0.75 0.5f = 0.30 F= 0.30\0.5 f=3\5 f=0.6



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