I don't understand how to work this out...
if possible, please explain how you got your answer. It would be very helpful.

Thanks!!

9514 1404 393

  17.3%

Step-by-step explanation:

The rate of return is the net profit divided by the purchase price.

The purchase price was ...

  (20 share) × ($30/share) = $600

The net proceeds from the sale were ...

  proceeds = selling price - commission

  = $710 -$6 = $704

So, the net profit is ...

  profit = $704 -600 = $104

And the rate of return is ...

  profit / investment = $104/$600 = 17.3%

i think it would be 43 movies that would have to be watched.

step-by-step explanation:

think about it. for the second plan, every month is 8 dollars. 8 x 12= 96. so thats the number for the second plan. now for the first plan, its annual meaning you have to pay 10 dollars every year. so now you have to get an equivalent amount of 86 since 96-10=86. 86 divided by 2 since every movie costs 2$ then you would have to watch 43 movies a year to get the same as the second plan. i really hoped this . have a wonderful day as well!

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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