Question

A merchant mixes 4lbs of teach with 1lb of spice to create a mixture that costs $12 per pound. He mixes 1lb of tea with4lbs of spice the mixture costs $15 per pound. Is the cost per pound of the tea less than, greater than, the cost per pound of the spice?

Answer 1

4 lbs of tea + 1 lb of spice -> a mixture ( $12 per pound )
1 lb of tea + 4 lbs of spice - > a mixture ( $15 per pound )
It means that the price of mixture is greater with more spice.
Answer:
The cost per pound of the tea is less than the cost per pound of the spice.