Cayden has several screws on a scale, and the scale reads 80.955. cayden adds 1 more screw, and the scale reads 84.81what is the mass of the last screw cayden adds?

Let the mass of the screw Cayden added be = x

The initial reading of the scale = 80.955

After adding 1 more screw, scale reads = 84.81

So, the mass of the screw that was added =

Hence, the last screw had a mass of 3.855

$20.01

step-by-step explanation:

the sale price is (1.00 - 0.77)($87), or 0.23($87), or $20.01.