Let temperature of the town in five days are 7x,x1,x2,x3 and 8x degrees respecitvely; Then, 7x+x1+x2+x3=4×58=232 ...(i) And x1+x2+x3+8x=4×60=240 ...(ii) Now, Subtracting (i) and (ii), we get, 8x−7x=240−232 ⇒x=8 Hence, temperature of the town on fifth day =8x=8×8 = 64 degrees.