A certain alloy contains 5.25% copper.
How much copper is there in a piece weighing 200 pound?
A)1.50 pounds
B)105 poounds
C)10.5 pounds
D)1050 pounds
i think its D am i right
Can D really be right? The original piece weighs 200 pounds. How can 5.25% of that be more than you started with?
I don't understand . That means i got the wrong answer.
is C the right answer?
I see what you're thinking, you wanted to multiply 5.25 * 200, which would give you 1050. But that would be wrong.
What you need to realize is that the 5.25 is a percentage, so instead of multiplying 200 * 5.25, you need to multiply 200 * 0.0525 and you will get your answer.
Nickel is correct.
To find the amount of copper in a piece weighing 200 pounds, we need to calculate 5.25% of 200. Here's how you do it:
Step 1: Convert 5.25% to a decimal by dividing it by 100:
5.25% ÷ 100 = 0.0525
Step 2: Multiply the decimal by the weight of the piece:
0.0525 × 200 = 10.5
Therefore, the piece weighing 200 pounds contains 10.5 pounds of copper.
So, the correct answer is option C) 10.5 pounds.