Answer: There are 16 quarters and 10 dimes.
Explanation:
Let x = Number of quarters
y= Number of dimes.
As per given,
x+y = 26 (i)
x= y+6 (ii), substitute this in (i), we get
y+6+y= 26
⇒2y+6=26
⇒ 2y = 26-6=20
⇒ 2y =20
⇒ y =10 [Divide both sides by 2]
Put this in (ii), x= 10+6 =16
So there are 16 quarters and 10 dimes such that 16 (0.25)+10(0.10)= $5 .