Problema Solution
a collection of nickels and quarters is worth $4.65. there are 3 more nickels than quarters. Use a system of equations to determine how many coins are in the collections
Answer provided by our tutors
number of nickels = x
number of quarters = y
x = y+3
5x+25y=465
substitute for x in second equation: 30y + 15 = 465 so y=15, x=18
18 nickels and 15 quarters