If 12 is 15% of a number than you could double 12 and get 24. The reason for this is because 15%*2 is 30% so than 12*2 would be 30% of a number. So 30% of a number is 24. If you than look at the 15% again you than will want to do 12*3 and get 46 as your answer.
Caillan's pocket money increased 20-15=5 dollars per week, or to 20-15=1.33 of it's original amount. This is a 33% increase.
<h3>I think the answer is (a). </h3>
B I’m sure if not comment correct answer
