watercress salads

Question

You are making watercress salads. Each salad will contain 1 1/2 ounces of cleaned watercress. You purchase watercress in bunches for $1.69. Each bunch weighs 7 ounces and has a yield of 30%. How much will the watercress cost for one salad?

Answer 1

The usable amount from each bunch is:

 

0.3(7)

2.1

 

This is more than the 1.5 oz needed for one salad.

 

The cost is $1.69.