Can you determine the number of gumballs in the jar?

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In order to win a free laptop computer, students had to guess the exact numbers of gumballs in a jar. The students guessed 45, 41, 55, 50, and 43, but nobody won. The guesses were off by 3, 7, 5, 7, and 2 (given in no particular order). From this information, can you determine the number of gumballs in the jar?

posted Jul 20, 2015

Ans is 48
45+3=48
41+7=48
55-7=48
50-2=48
43+5=48

answer Jul 21, 2015 by anonymous

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