Question 392478
 let y=quater
0.1(9)+0.25y=$2.65
   $0.9 + 0.25y=$2.65
            y=$2.65-0.9/0.25
            y=$1.75/0.25
            y=$7

Check:0.1(9)+0.25(7)=$0.9+$1.75
                    = $2.65
the answer is: 7 quater
I hope it help