Answer :
56/128
Simplify
28/64 - 14/32 - 7/16
7/16 = x/100
Cross multiply
700 = 16x
x=43.75
43.75%
Simplify
28/64 - 14/32 - 7/16
7/16 = x/100
Cross multiply
700 = 16x
x=43.75
43.75%
the percentage of the students went on a trip during vacation = 56/128 = 43.75 %