Question 936665
x the number of Quarters (25 CENTS in a each Qarter)
25x + 5(x+15) = 525cents  (CENTS makes Sense)
30x = 450
x = 15, number of Quarters.  Nickels 30 {{{15+15}}}
....
Checking..
25(15) + 5(30) = 375 + 150 = 525cents or $5.25