Answer:
150 percent of what number is 780?
780 is 150% of 520
We have, 150% × x = 780
or,
150
100
× x = 780
Multiplying both sides by 100 and dividing both sides by 150,
we have x = 780 ×
100
150
x = 520
If you are using a calculator, simply enter 780×100÷150, which will give you the answer.