The mean of rational numbers −3 /5 and 1 /4 is: (a) −1 /9 (b) −17/ 40 (c) 7/ 40 (d) −7 /40
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The mean of rational numbers −3 /5 and 1 /4 is: (a) −1 /9 (b) −17/ 40 (c) 7/ 40 (d) −7 /40
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