Six pounds of grapefruit cost $3. what is the cost per pound?
you can use a double number line to you find rate and
unit rate. start with the ratio you know: $3 for 6 pounds.
divide both $3 and 6 pounds by 3 to get $1 for 2 pounds.
then divide $1 and 2 pounds by 2 to find the cost per
pound, which is $0.50 for 1 pound.
what is the cost per pound

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]