Erika baked coffee, apple and durian wafers. There were one-fifth as many durian wafers as apple wafers and an equal number of durian wafers as coffee wafers. The cost of each wafer is given as shown.
1 durian wafer: $1.10
1 apple wafer: $1.10
1 coffee wafer: $1.60
If she collected $287 from selling all the wafers, how many apple wafers were there?
1 durian wafer: $1.10
1 apple wafer: $1.10
1 coffee wafer: $1.60
If she collected $287 from selling all the wafers, how many apple wafers were there?
