naomi's class gets to keep 20% of the money they earn from selling calendars. this class sold 600 calendars. last year they sold
650 calendars. in which year year did they earn more money
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The triangle below has a perimeter of 27\text{ cm}27 cm27, start text, space, c, m, end text.
What is the length of one side of the triangle?
All 333 sides are the same length.
