Beth calculated the cost for tuition and books for 4 years of college will be$31,800. wich expression shows an estimate to check if beth's calculation is reasonable?

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elijah207

25.09.2022

Mathematics

22 days
80-82 is 7 days
82-84 is 9 days
84-86 is 6 days
so... 7+9+6=22

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