There's more than one way to combine them really
but an obvious one will be
Answer is an estimate of $10.50
$70.00 X 15 % = $10.50
The answer is 12. If you don’t understand then keep on multiplying 4 until you get a number that 6 will also go into
<h2>SOLVING</h2>

Find the gradient of the line segment between the points 

The formula used, here is


Now let's put in the co-ordinates from these two points.
| subtract on top & bottom
| divide




