How many 10-ounce bags of Romaine lettuce must be mixed with fifty 10-ounce bags of Iceberg lettuce to obtain a blend that sells for $2.50 per ten-ounce bag? Iceberg=$2.20 and Romaine=$3.50 per ten ounce bag. solve using only one variable in chart form.?

Question

mathstudent55 · Answer

let x = number of 10-oz bags of romaine lettuce
Cost of 50 iceberg bags: $2.20*50
Cost of x romaine bags: $3.50x
Cost of blend per bag: (2.20*50 + 3.50x)/(x + 50) = 2.50