Sold
Apple : Orange = > 2u : 6u

Left
Apple : Orange => 2u + 22 : u + 11

2u + 6u + 2u + 22 +1u + 11 = 748
11u + 33 = 748
11u = 715
u = 65

a) apple sold = 2u = 130 ##

b) In the morning,
Orange = 1u + 11 + 6u = 7u + 11 = 466 ##