3/7 6/14 24/56 are all equivalent ratios for 12/28
159.2/3.2=49.75
take 159.2 and divide it by 3.2 and you get 49.75
to check your answer you would take 159.2 divided by 49.75
159.2 divided by 49.75 = 3.2
3.2 is 49.75 percent of 159.2
Answer:
its B
Step-by-step explanation:
pls do not listen to the other person
you have to add the tax so multiplying the two together instead of just adding them would get the same number
(also x+0.05x is literally 1.05x anyway)
hope this helps <3
Expected value of the bet is
the sum of the products of value of outcome and its probability,
less the amount paid to place the bet.
Outcomes value probability
win 225 1/4
lose 0 3/4
cost of bet = 40
So expected value of bet
E[X]=225*(1/4)+0*(3/4)-40
=56.25-40
=16.25
This means that in the long run, gambler will win, since the expected value is positive. (does NOT mean she will win in the next bet!)
Since 7.6 is the cost per package, and x represents the number of packages, the expression 7.6x would represent the cost for the packages. Once we add the base fee, we get the equation:
y = 7.6x + 6.95
Hope this helps.
