1 1/2 = 3/2. 7 1/2 = 15/2
15/2 divided by 3/2 = 5 batches of cookies
One unit to the left and three units up
For example,
7.2, 4.3, 13.9
(k+4) (k-4) the numbers have to multiply up to what ever the number is. so the number is 16 and 4 times 4 is 16. also a pluss and minus makes it into a negative number like the equation
J = 12
Workings in the picture below :)
