Nickel Cent

A student has coins worth a total of . Each coin is either a nickel (five cents) or a quarter (twenty-fiv?

A student has coins worth a total of . Each coin is either a nickel (five cents) or a quarter (twenty-five cents). If is the number of nickels, then can be determined from the equation

You are missing a few items:

(a) the total value of the coins.

(b) the total number of coins.

Without this information, the number of nickles and quarters cannot be deduced

Nickel-Penny battery