I got 3.825
your equation would be
(2x-1)(x+7)=72
when you distribute youd get
2x^2 +13x -7 =72
move the 72 over giving you
2x^2 +13x -79=0
i used the quadratic formula and the answer would be 3.825 because a negative answer wouldn’t make sense in this situation
700 calories
1750 divided by 5 is 350
multiply that by two and you get 700
1/12
This is because there are 12 potential outcomes of this scenario. Tails, 5 is just one of them.