Cayden has several screws on a scale, and the scale reads 80.955g. Cayden adds 1 more screw, and the scale reads 84.81g. What is the mass of the last screw Cayden adds?
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Cayden has several screws on a scale, and the scale reads 80.955 g. Cayden adds 1 more screw, and the scale reads 84.81 g. What is the mass of the last screw Cayden adds?
Answer: The mass of the last screw Cayden adds is 3.855 g.
From question, weight of the screws in the scale = 80.955 g
From question, weight of the screws after adding in the scale = 84.81 g
Now, the weight of the last screw is given as:
Wt of last screw = Wt after adding screw Wt of the screws initially
On substituting the values, we get, Wt of last screw = 84.81 - 80.955 ..
Weight of the last screw = 3.855 g
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