100% - 40% = 60%, meaning the discounted price is really just 60% of the original 100% price, let's say the 100% price is hmmmm "x".
if 60% of the original price is $471, what is the 100% or namely "x"?

4315
<u>+5684
</u> 9999 So 5684 is the greatest number you can write.<u>
</u>
Point slope form, y-y1 = m(x-x1)
Here, y1 = -1, x1 = 4, m=8
so, it would be: (y+1) = 8(x-4)