Ana has $.85 in nickles & dimes.She has 2 more nickles than dimes. How many nickles & dimes does she have?
We aren't going to just "do" a problem for you. What have you tried? A good place to start is by defining variables to represent "unknown" quantities in the problem.
For example...you don't know the number of dimes, right?
let d = number of dimes she has
Then, the problem tells us that she has "2 more nickels than dimes," so we can conclude that
d + 2 = number of nickels
AND....would you agree that
money in dimes + money in nickels = total amount of money
Maybe it would be easier to work in cents here...she's got $0.85, which is 85 cents....
money in dimes + money in nickels = 85 cents
a dime is worth 10 cents. If she has "d" dimes, then the "money in dimes" would be 10 d......
10d + money in nickels = 85
Ok...you take it from here!