Solve.
-A machinist has flat metal plate that is 8.242 cm thick. He laminates the metal plate with four more layers that are 3.688 cm, 1.108 cm, 3.756 cm, and 3.593 cm thick. He then grinds off 2.305 cm from
The top of the plate, then 4.189 cm more, and finally another 1.995 cm. Find the new thickness of
The plate.
A) 14.203 cm
B) 11.898 cm
C) 24.886 cm
D) 4.586 cm

Question

Quizplus · Accepted Answer

First, we need to find the original thickness of the metal plate after laminating it with the four layers:

8.242 cm + 3.688 cm + 1.108 cm + 3.756 cm + 3.593 cm = 20.387 cm

Next, we need to subtract the amount that was grinded off from the top:

20.387 cm - 2.305 cm = 18.082 cm

18.082 cm - 4.189 cm = 13.893 cm

13.893 cm - 1.995 cm = 11.898 cm

Therefore, the new thickness of the metal plate is 11.898 cm. Option B is the correct answer.

Solve. -A Machinist Has Flat Metal Plate That Is 8.242 Cm