arithmetic
posted by Chris reed .
On a blueprint in which 2inches represent 5ft, the length of a room measures 7 1/2inches. The actual length of the room is

Cross multiply and solve for x.
2/5 = 7.5/x
posted by Chris reed .
On a blueprint in which 2inches represent 5ft, the length of a room measures 7 1/2inches. The actual length of the room is
Cross multiply and solve for x.
2/5 = 7.5/x