If a jar contains n nickels and d dimes.vThere are 20 coins and their total value is $1.40. how many nickels and dimes are in the jar Show work please?
If x is the number of dimes , then 40-x is the number of quarters, so 10(x) + 25(40-x) = 490. Algebra is the branch of mathematics concerning the study of the rules of operations and relations, and the constructions and concepts arising from them, including terms, polynomials, equations and algebraic structures. ChaCha on!
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