Problema Solution
1. Sandy has a total of 41 quarters and nickels. The value of her money is $7.05. How many of each kind of coin does she have?
Answer provided by our tutors
a quarter is 0.25
a nickel is 0.05
let 'n' represent the number of nickets, then '41-n' represents the number of quarters
7.05=0.05n+0.25(41-n)
click here to solve for the number of nickels
n=16
41-16=25
Sandy had 16 nickels and 25 quarters.