i am having trouble understanding how to figure out how to do interpreting data for 8th grade pre alg.

Question

anonymous · Answer

question??

anonymous · Answer

a surey of 200 randomly selected consumersfinds that 75 consumers perfer brand a dtergent.predict how mant consumers in a town of 3000 perfer brand detergent.

anonymous · Answer

75 yes of 200 total
How many yes (x?) out of 3000

anonymous · Answer

how did you get that answer?

anonymous · Answer

You remember similar triangles in geometry? 5/7=x/10? Like that.

anonymous · Answer

no dont remeber...........never been in geomerty

anonymous · Answer

You have 75 consumers out of 200, that can be written as 75/200
You want to know, let's call it x, out of 3000 that can be written as x/3000
The two are similar so you can set them equal and solve for x
x/3000=75/200

anonymous · Answer

ohhh okay thank you.