Question

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?

Answer 1

Step-by-step explanation:

Correct question:

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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