80 (240/80 = 3 and 320/80 = 4)
It's difficult to tell which way that one's going. 240 to 320 is a 33 and 1/3% increase. 320 to 240 is a 25% decrease.
240
240 = 3/4 of 320
320.
It is: (240+320)/2 = 280
80 (240/80 = 3 and 320/80 = 4)
80 - 320 = -240
3/4 of 320 is 240.
It's difficult to tell which way that one's going. 240 to 320 is a 33 and 1/3% increase. 320 to 240 is a 25% decrease.
25% off 320 = 320 - (0.25 x 320) = 240
The LCM is 4800.
80, 160, 240, 320, 400, 480, 560, 640, 720, 800
It is 75%
240
240 = 3/4 of 320
It is: 32