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Let's solve this!

Firstly we need to take off the GST. The Tax is 10% of the price and will change according to the price. So, 120 lets take off 10%. That will be 120-12. The answer to that is 108. Now that we have this, we know that the Original price multiply by 0.8 will be 108. What this means is that this price is 80% of the full original. So lets do this:

$${\frac{{\mathtt{108}}}{{\mathtt{80}}}} = {\frac{{\mathtt{27}}}{{\mathtt{20}}}} = {\mathtt{1.35}}$$

Now lets multiply this by 100.

$${\mathtt{1.35}}{\mathtt{\,\times\,}}{\mathtt{100}} = {\mathtt{135}}$$

Lets not stop here. We will need the GST. Which is 10%

What is 10% of 135?

$${\mathtt{135}}{\mathtt{\,\small\textbf+\,}}{\mathtt{13.5}} = {\frac{{\mathtt{297}}}{{\mathtt{2}}}} = {\mathtt{148.5}}$$

The Original Price was 148.5

To calculate this, there is a very simple equation. Lets assume 1 is 100%. Of means Multiply. Lets use what we know and solve it.

$${\mathtt{1\,015}}{\mathtt{\,\times\,}}{\mathtt{0.6}}$$

Solve that and we will get the answer!

The answer is which:$${\mathtt{1\,015}}{\mathtt{\,\times\,}}{\mathtt{0.6}} = {\mathtt{609}}$$

Providing I know what you are talking about this is how I will solve it. If I misinterpret the question, please forgive me.

Here are the answers:

$$2 sqrt4(-1) \approx 1.4142+1.4142i$$

$$2(-1)^{\frac{3}{4}}\approx -1.4142+1.4142i$$

$$-2 sqrt4(-1)\approx 1.4142-1.4142i$$

$$-2(-1)^{\frac{3}{4}}\approx 1.4142-1.4142i$$

This is only correct if I understand the question >_<

You can use your fingers too. You have 2 fingers, and then you want 2 more, add the fingers and you have 4 fingers.

4 is the answer.

Yes, i mean quad root. 

sqrt4 (-16)... May I ask do you mean Quad Root?

$${\mathtt{2}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}} = {\mathtt{4}}$$

From 0 to 100 at intervals of 25 would be the most convenient way since we have y-values of 24.97, 49.94, 74.91, and 99.88 which all round up to 25, 50, 75, and 100, respectively.

Well, if he is only selling snacks to raise money for the trip, 210 ÷ 18 will tell is how much David much sell each snack bag for for him to meet his goal.

210 ÷ 18 = 11.66666666666666

Rounded up, we get 

$11.67

That's how much he has to sell each bag of snacks for. He will have a few cents left over, but that's only because we have a repeating decimal.

Thanks, AzizHusain. I needed someone to explain this to me! Thanks.

22/120 --> 0.18333333333 --> 18.3%

4x - 3y + 2z - 3x - y + 3z = ?

4x - 3x - 3y - y +2z + 3z = 

x - 4y + 5z.

okay!good!

That was before. Before, I had 86 points. I freaked out. that's why. now, i love it!!!!!!!!!!

okay thanks.

thanks melody.

It is also and Improper fraction.

This is because it is greater than (or equal to) 1.  

The numerator (top) is bigger than the denominator (bottom)    

It is a fraction.

$${\frac{{\mathtt{7}}}{{\mathtt{2}}}} = {\mathtt{3.5}}$$

$${\mathtt{3.5}} = {\mathtt{3}}$$$${\frac{{\mathtt{1}}}{{\mathtt{2}}}}$$

Thanks! I know, it is cool.

Really cool!

These images are the ones I got from the internet. I drew them by myself. Here's another one. The green guy is the one I drew. He is near the white guy, near in the middle.

no i mean like u drew it or used any computer function!

Well, it was pretty easy. No colors.(As far as I remember.)