Question

Ryan uses 3 bars of clay for a sculpture. The first bar is 1.15 centimeters long. The second bar is 3.92 centimeters long. What is the total length of 2 bars?
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Answer 1

Since we aren't told the length of the 3rd bar, focus solely on the lengths of the first 2 bars.  Add together their lengths:  1.15 cm + 3.92 cm = 5.07 cm.