Cindy baked coffee, mocca and durian wafers. There were one-third as many durian wafers as mocca wafers and an equal number of durian wafers as coffee wafers. The cost of each wafer is given as shown.
1 durian wafer: $1.90
1 mocca wafer: $1.70
1 coffee wafer: $1.80
If she collected $220 from selling all the wafers, how many mocca wafers were there?
1 durian wafer: $1.90
1 mocca wafer: $1.70
1 coffee wafer: $1.80
If she collected $220 from selling all the wafers, how many mocca wafers were there?
