The amount paid to a work crew varies jointly as the number of persons working and the length of time worked. If 5 workers earn $5123.73 in 3.0 weeks, in how many weeks will 6 workers earn a total of $6148.48?

P*T = Amt.

(6/5)(T/3) = 6148.48/5123.73,
6T/15 = 1.2,
2T/5 = 1.2,
T = 3 WWeeks.