<PRE><B>Question 988080</B>
.
D=number of dimes; N=number of nickels=2D+2
.
$0.05N+$0.10D=$6.10
$0.05(2D+2)+$0.10D=$6.10
$0.10D+$0.10+$0.10D=$6.10
$0.20D=$6.00
D=30
N=2D+2=2(30)+2=62
ANSWER : He has 30 dimes and 62 nickels.
.
CHECK:
.
$0.05N+$0.10D=$6.10
$0.05(62)+$0.10(30)=$6.10
$3.10+$3.00=$6.10
$6.10=$6.10








</PRE>