Start with finding 75 % of 88.
88*75/100=66
Now let's find 60 % of the numbers given in the options.
Number
60 %
100
100*60/100=60
101
101*60/100=60.6
108
108*60/100=64.8
110
110*60/100=66
We can see that 75 % of 88 is the same as 60 % of 110.
The correct answer is D.
Alternative Solution
Exam tip
On an exam you do not need to try the options in order.
If you find the correct number, you do not need to do the rest of the calculations.
Think about which option you want to start with, and based on the result choose an appropriate option to try next.