So 20% of $1,080 is 216.
1080 - 216 is 864
8% of 864 is 69.12
864 + 69.12 would be $933.12

<em>Find the gradient of the line joining (-1,9) and (3,5)</em>
<em />
Use the slope formula:-

Replace the letters with the numbers:-

On simplification,

On further simplification,


<h3>Good luck with your studies.</h3>

The simplest form of 56:21 is 8:3.
If you divide each number by 7, you would get 8:3.
Hope this helps!
Here’s a picture if the formula. M is slope. X1 and Y1 are one coordinate and X2 and Y2 are the other.