The plan of a house is drawn to a scale 1:50.
(a) Find the actual distance, in m, of a wall which measures 20 cm on the plan.
(b) Find the dimension, in cm, of another wall on the plan which measures 8 m actually.
(c) The floor area of a room is 300 cm2 in the plan. Find the actual floor area in m2.

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Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.