Alfred has twelve coins in his piggy bank. Some of the coins are quarters, some are nickels, and he has a total of $3.15. Which system of equations can be used to determine how many quarters, x, and how many nickels, y, he has?

Please don't answer unless you know the answer.

Question

12-01-2021
Mathematics

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Alfred has twelve coins in his piggy bank. Some of the coins are quarters, some are nickels, and he has a total of $3.15. Which system of equations can be used to determine how many quarters, x, and how many nickels, y, he has?

Please don't answer unless you know the answer.

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ava1331 ava1331 · Answer 1 · 2021-01-12T21:20:45+01:00

ava1331 ava1331

12-01-2021

My guy 12 coins, it takes 12 quarters to make $3. It would have to be 15 coins for it. 4 quarters = one dollar. 4 quarters x 3 would equal $3, but that’s 12 coins. Then 3 nickels after that. So Alfred has to have 15 coins if it’s only nickels and quarters.

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Alfred has twelve coins in his piggy bank. Some of the coins are quarters, some are nickels, and he has a total of $3.15. Which system of equations can be used to determine how many quarters, x, and how many nickels, y, he has? Please don't answer unless you know the answer.

Respuesta :

Otras preguntas

Alfred has twelve coins in his piggy bank. Some of the coins are quarters, some are nickels, and he has a total of $3.15. Which system of equations can be used to determine how many quarters, x, and how many nickels, y, he has?

Please don't answer unless you know the answer.