You can put this solution on YOUR website! %, read it percent, means for every one hundred. So if you buy a gadget for $100 and they give you a 30% discount, 30 percent of 100 is 30. But if you want 30% of 55? You first bring the 30 per one hundred to 30 per one. You do this, naturally, by dividing: 30/100= 0.3 Now we have 30 per one. If you buy a piece of candy for $1 and they give you a 30% discount, you will pay 1-0.30=0.70.
Now that we know per-one, we can calculate any number: 67= 1*67 and the discount will be 0.30*67.
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30% of x is 1275, in algebra we can say:
30%x= 1275 Since we now know that 30 per one hundred equals 0.30 per one:
0.30x= 1275 Divide both sides by 0.30:
x= 1275/0.30 will be your answer.
J
