The 8 full boxes have 80 apples (8x10) and the 6 half boxes have 30 apples (6x5).
So: 80+30=110
Harmonic mean between two positive numbers x and y, The simplified formula is
I.e. you need to double the product of x and y then divide it by the sum of x and y...~
240 Liters total volume
Let's make ;
x = number of containers
v = volume of one container
vx = 240
v = 240/x