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Little Melinda has nickels and quarters in her bank. She has two

fewer nickels than quarters. She has ​$3.50

in the bank. How many coins of each type does she​ have?
How many quarters does she​ have?

Respuesta :

A) N +2 = Q which equals

A) N -Q = -2

B) .05N +.25Q = 3.50  multiplying A) by .25

A) .25N -.25Q = -.5  then adding A) and B)

.30N = 3

Nickels = 10 Quarters = 12

*************DOUBLE CHECK ***************

.05 nickels = $0.50  .25 Quarters = $3.00