Sue's Sushi placed two orders with its fish supplier. One order was for 11 pounds of salmon and 6 pounds of tuna; the order totaled $146. The other order was for 8 pounds of salmon and 4 pounds of tuna; this order totaled $104. What is the cost for one pound of salmon and one pound of tuna?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back