Answer:
y=1/2x-3
gradient = 1/2
also should satisfy the given coordinates
68.48
100% divided by 6.25% is 16 columns
Second row is 4.28 each
4.28(16)=$68.48
The increase is $984 and the new price is $18,875
64 = 2 ^6
16 = 2^4 =
2^ 6*(2x+4) = 2^4 * 5x
6(2x+4) = 20x
10/3 x = 2x +4
4/3 x = 4
x = 3
you can also use logarithms like so
(2x+4)ln64 = 5x ln16
ln64/ln16 = 3/2
3/2 * 2x + 3/2 * 4 = 5x
3x + 6 = 5x
2x = 6
x = 3
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