(10 pts) A plastic extruder can produce 3843 ft of plastic pipe in an 8 hour shift. If the plastic is cut into 7 ft long pipes,
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Answer: She has 40 nickels and 40 quarters .
Step-by-step explanation:
Let be "n" the number of nickels Theresa has and "q" the number of quarters Theresa has.
You know that she has a total of $12 in nickels and quarters. In cents, this is:
Then, based on this you can write the following expression:
Since , you can rewrite it as:
Solving for "n", you get:
Therefore she has 40 nickels and 40 quarters .