SOLUTION: If 40-16=2½,then value 75-30=2½=100-?=2½ .
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Question 979329: If 40-16=2½,then value 75-30=2½=100-?=2½ .
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
100/x = 2.5
2.5x = 100
x = 100/2.5 = 40
therefore
100/40 = 2 1/2
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