Asked by Aleah
A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper?
Answers
Answered by
Ms. Sue
Your turn. See my last post.
Answered by
Aleah
x/3=14/1
1x/1=42/1
x=42
1x/1=42/1
x=42
Answered by
Ms. Sue
Oops -- your answer doesn't make sense. There's much LESS nickel than copper in the coin.
Please try again.
Please try again.
Answered by
Aleah
I really don't understand how to work this problem.
Answered by
Ms. Sue
You had the right idea -- but you didn't set up the correct proportion.
3 is to 1 as 14 is to x.
3/1 = 14/x
Now -- cross multiply.
What do you get?
3 is to 1 as 14 is to x.
3/1 = 14/x
Now -- cross multiply.
What do you get?
Answered by
Aleah
I got 4.6.
Answered by
Ms. Sue
Yes -- except you should round 4.66666 to 4.7 pounds.
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