Register
You have 40 coins that are made up of nickels and quarters. The value of the coins is $6.60. Find the number of nickels and quarters
181k views
1 vote
You have 40 coins that are made up of nickels and quarters. The value of the coins is $6.60. Find the number of nickels and quarters

User Torvin
by
7.5k points

2 Answers

3 votes
n and q are the number of nickels and quarters, respectively.
n+q = 40
n = 40-q

0.05n + 0.25q = 6.60
0.05(40-q) + 0.25q = 6.60
2-0.05q + 0.25q = 6.60
0.20q = 4.60
q = 23
n = 40-q = 17

23 quarters and 17 nickels
User Mathieu De Brito
by
7.8k points
4 votes

Answer:

22 quarters and 18 nickels.

Explanation:

User Panjo
by
7.8k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!