Question 1142031
# of quarters = x
# of dimes = x + 2
<pr>
0.25x + 0.10(x + 2) = 3.35
<pr>
0.25x + 0.10x + 0.20 = 3.35
<pr>
0.35x + 0.20 = 3.35
<pr>
0.35x = 3.15
<pr>
x = 9
<pr>
# of quarters = x = 9
# of dimes = x + 2 = 11
<pr>
Check it:
<pr>
"Martha has 2 more dimes than quarters."  9 quarters and 11 dimes...so it checks.
<pr>
"If she has $3.35 altogether..."  9 quarters @ $0.25 each equals $2.25 and 11 dimes @ $0.10 each equals $1.10.  $2.25 plus $1.10 equals $3.35...so it checks.