I would say it is A because if you subtract <em>p,</em> the original price by $2.50, you would get <em>d, </em>the discounted price. Look at B u see that you're adding the discount which doesn't make sense. Looking at C, the discounted price of different prices can't always be the same. And finally, D, the discounted price is greater than the original. Also, if you subtract you would get different discounts.
Answer:
191
Step-by-step explanation:
The amount spent for a single text: 177/17,7=0,1
x×0,1=19,1
x=19,1/0,1
x=191
En la primera tiñes que poner un tres en la parte de abajo y subir 5 para ariba y as lo mismo con los demás pero con los números que te ensaña espero esto te ayudo
Answer:
C) 20.97 AED
Step-by-step explanation:
To find the expected value, E(X), or mean μ of a discrete random variable X, simply multiply each value of the random variable by its probability and add the products. The formula is given as 
.
Here, x represents values of the random variable X, 
represents the corresponding probability, and symbol 
represents the sum of all products 
. Here we use the symbol 
for the mean because it is a parameter. It represents the mean of a population.
In this case, the expected value of the ticket is 
This means that Ahmad can expect to win 20.97 AED for the ticket.
