Betty baked cream, blueberry and durian wafers. There were one-third as many durian wafers as blueberry wafers and an equal number of durian wafers as cream wafers. The cost of each wafer is given as shown.
1 durian wafer: $1.50
1 blueberry wafer: $1.30
1 cream wafer: $1.80
If she collected $180 from selling all the wafers, how many blueberry wafers were there?
1 durian wafer: $1.50
1 blueberry wafer: $1.30
1 cream wafer: $1.80
If she collected $180 from selling all the wafers, how many blueberry wafers were there?
