aleahm
aleahm
06-05-2017
Mathematics
contestada
I got 25 so I wanted to know if I'm correct
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itsmw201822
itsmw201822
06-05-2017
I feel it should be 30 because x represents the number of lessons, and 30 is multiplied by that.
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xsdh
xsdh
06-05-2017
wrong correct answer is 55
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