Use linear equations to solve real-world problems. For example, calculate the fuel efficiency of a car at different speeds.
Write the equation, then undo the operations to isolate the variable.
Question 1 of 4
Lucy is shipping 5 boxes that all weigh the same, and 1 envelope that weighs 7.5 pounds. The total weight of the shipment is 65 pounds. What is the weight, in pounds, of each box?