algebra
posted by kelly .
a bag contains only nickels and dimes. there are exactly 18 coins in the bag. the amount of money in the bag is $1.25.
let x represent the number of nickels in the bag. let y represent the number of dimes in the bag.
1. write a system of equations that correctly models this situation
2. does your answer represent integer values for the nickels and dimes? why must this be the case (or why does it not matter) ?
Respond to this Question
Similar Questions

Algebra
This is a word problem I am supposed to solve with systems. I am having trouble setting it up if anyone could help me. A coin bank contains only dimes and nickels. The bank contains 46 coins. If 5 dimes and 2 nickels were removed the … 
math algebra 1
There are 4 times as many nickels as dimes in a coin bag. The coins have a total value of 600 cents ($6.00). Find the number of nickels. Write and solve an equation to do so. (i found the answer through guess and check but i need to … 
Math
A bag contains forty coins, all of them either 2c or 5c coins. Let there be x 2c coins and y 5c coins. If the value of money in the bag is $1.55, find the number of each kind. 
Algebra
Anne has 20 coins in her pocket consisting of nickels and dimes only. The total value of the coins is $1.45. How many nickels and how many dimes does she have? 
Math
200 coins are sorted and kept 3 bags. The first bag has 20 more coins than the second bag. The second bag has twice as many coins as the third bag. How many coins are there in the third bag? 
Math 4th Grade
200 coins are sorted and kept 3 bags. The first bag has 20 more coins than the second bag. The second bag has twice as many coins as the third bag. How many coins are there in the third bag? 
math
a bag contains 400 coins ,and 33 1/2 % are nickels, how many nickels are there? 
Math
Reasoning In a bag of 24 coins, 5/6 of the coins are pennies. A different bag of 50 coins contains the same number of pennies as the bag of 24 coins. What fraction of the coins in the bag of 50 coins are pennies? 
Algebra
Your friend claims that she has a bag of 30 coins containing nickels, dimes, and quarters. The total value of the 30 coins is $3. There are twice as many nickels as there are dimes. Is your friend correct? 
Math
A bag contains 57 coins, which are only quarters(Q) and dimes (D). The total value of the coins is $9.45. How many times are in the bag?