16. In Amir's coin collection, the number of dimes is one more than three times the number of nickels. The total number of
nickels and dimes is 69.
a) Amir also has 40 quarters in his collection. How many more
dimes than quarters does he have? How many more quarters
than nickels does he have?
b) Explain why you can solve this problem without knowing
the value of a nickel, dime, or quarter.

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Ответ:

rosetoheart2

19.11.2020

Mathematics

the unknown side length of the golden rectangle with the given side length l = 9 is s = 5.56

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