Experimental, a 7 out of 40 chance, add all of the results together and take the result of the diamond and fraction it with the whole like this 7/40, 31/40, much the same as b, 0/40 chance, because there is no stare in the cards.
4 (5z+2y) (5z-2y) (Ignore this)
70, 72, 74, 75, 76 77, 78
:) hope it helps
The answer is 5905.................
