The x is being used to indicate multiplication; the phrase would be read as thirty nine times seventy five. If you carry out the multiplication, the answer is 2,925.
39 in x 75 in = 39 in ÷ 12 in/ft x 75 in ÷ 12 in/ft = 3.25 ft x 6.25 ft = 20.3125 ft2
109
39/52 x 100% = 75%
50% of 75% is 0.375 and not 39.50% of 75%= 50% x 75%= 0.50 x 0.75 x 100= 37.5%
what = 2925
39 x 75
39 is 52% of 75.
39 x 75 is the mattress size
39
114
39 is 75% of 52
A twin bed is a double bed so it would be about 3m