Na particular day, the wind added 2 miles per hour to alfonso's rate when he was cycling with the wind and subtracted 2 miles per hour from his rate on his return trip. alfonso found that in the same amount of time he could cycle 63 miles with the wind, he could go only 51 miles against the wind. what is his normal bicycling speed with no wind?

:i need some real : a store sells shirts to the public at one pricing scale and wholesale at another pricing scale. the tables below describe the cost, y, of x shirts. (after tables) how do the slopes of the lines created by each table compare? the slope of the public table is 3/4 of the slope of the wholesale table.the slope of the wholesale table is 3/4 of the slope of the public table.the slope of the public table is 12 times greater than the slope of the wholesale table.the slope of the wholesale table is 12 times greater than the slope of the public table.