Dvds can be made in a factory in new mexico at a rate of 20 dvds per $3, but the factory costs $80,000 to build. if the factory makes 1 million dvds, what is the unit cost per dvd?

1 DVD costs 15 cents.

I million DVDs cost 150,000 dollars.

Step-by-step explanation:

If 20 DVDs $3

then, 1 DVD x

20x = 3

x = 3/20

x = 0.15

1 DVD costs 15 cents

78.59 is the mean

step-by-step explanation:

we can set up an equation to find the girls' ages. the equation is         28=0.5x-5+x. (comment if you need me to explain how i got this equation.) so, you add x and 0.5x to get 1.5x and add 5 to each side. your new equation is 33=1.5x. now divide both sides of the equation by 1.5 to get 22=x. because x is mary's age, to find jasmine's age we subtract mary's age from 28. we find that mary is 22 years old and jasmine is 6 years old.