You'd do $500 x 0.15 to which gives you 75$ in tax. $500 + $75 = $575 selling price
If he gives ALL of the cookies away..
3 5/6 = 6/6 + 6/6 + 6/6 + 5/6
6+6+6+5 = 23
Paul has 23 friends. (if he takes 1/6, then he has 22)
hope this helps
-6,3n=-8,19, so n=8,19/6,3,
hence n=1,3.
Each number is 4 times the previous number"
2*4 = 8
8*4 = 32
32*4 = 128
so next 3 are:
128 * 4 = 512
512*4 = 2048
2048 * 4 = 8192
512 , 2048, 8192
