What is the difference between 30% of 150 and 40% of 100

30% of 150 is as follows:

30/100 * 150 = 45

Whereas 40% of 100 is:

40/100 * 100 = 40

Then we find the difference:

45 - 40 = 5

To find the difference first, change the percents to decimals. To do this, move the percent sign left 2 times and change to a decimal. Then multiply. And 'of' in mathematics means to multiply.

.30 * 150 = 45

.40 = 100 = 40

45 - 40 = 5

5 is the answer.