Dan counted all the coins in his bank, and he had 72 quarters. can he exchange the quarters for an even amount of dollar bills?
1 answer:
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For this case we have:
Cost of manufactures of T-shirts
where x represents the number of T-shirts
Part A:
Substituting in the total cost equation you have to:
Thus, the cost of 8 shirts will be
Part B:
If then
Thus, the cost of 12 shirts will be
Answer: