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If Noel has 2 times as many nickels as quarters and they have a combined value of 175 cents, how many of each coin does he have?

- Quarters:
- Nickels:


Sagot :

Sure, let's solve this problem step by step:

1. Let q be the number of quarters.

2. Since Noel has 2 times as many nickels as quarters,
- The number of nickels will be 2q.

3. Each quarter is worth 25 cents and each nickel is worth 5 cents.

4. Write the equation for the total value of the coins:
- The value of the quarters in cents is [tex]\( 25q \)[/tex].
- The value of the nickels in cents is [tex]\( 5 \times 2q \)[/tex].

5. Combine the values of the quarters and nickels to set up the following equation:
[tex]\[ 25q + 5 \times 2q = 175 \][/tex]

6. Simplify the equation:
[tex]\[ 25q + 10q = 175 \][/tex]
[tex]\[ 35q = 175 \][/tex]

7. Solve for q (the number of quarters):
[tex]\[ q = \frac{175}{35} \][/tex]
[tex]\[ q = 5 \][/tex]

8. Calculate the number of nickels:
[tex]\[ n = 2 \times q \][/tex]
[tex]\[ n = 2 \times 5 \][/tex]
[tex]\[ n = 10 \][/tex]

Conclusion:
- Noel has 5 quarters.
- Noel has 10 nickels.