You have a jar of 90 nickels and a jar of 90 pennies. You perform the following
Question:
You have a jar of 90 nickels and a jar of 90 pennies. You perform the following processes.
(1) Transfer 10 nickels to the jar of pennies and mix thoroughly; then (2) transfer 10 coins from the contaminated pennies back to the jar with nickels. Which of the following is true? Explain.
(a) The amount of pennies in the jar of mostly nickels is greater than the amount of nickels in the jar of mostly pennies.
(b) The amount of pennies in the jar of mostly nickels is the equal to the amount of nickels in the jar of mostly pennies.
(c) The amount of nickels in the jar of mostly pennies is greater than the amount of pennies in the jar of mostly nickels.
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Option b is true The amount of pennies in the jar of mostly nickels is equal to the amount of nickel...View the full answer
Answered By
Rustia Melrod
I am a retired teacher with 6 years of experience teaching various science subjects to high school students and undergraduate students. This background enables me to be able to help tutor students who are struggling with the science of business component of their education. Teaching difficult subjects has definitely taught me patience. There is no greater joy for me than to patiently guide a student to the correct answer. When a student has that "aha!" moment, all my efforts are worth it.
The Common Core standards are a useful yardstick for measuring how well students are doing. My students consistently met or exceeded the Common Core standards for science. I believe in working with each student's individual learning styles to help them understand the material. If students were struggling with a concept, I would figure out a different way to teach or apply that concept. I was voted Teacher of the Year six times in my career. I also won an award for Innovative Teaching Style at the 2011 National Teaching Conference.
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