Question

According to the 2000 U.S. Census, 7 out of every 25 homes are heated by electricity. At this rate, predict how many homes in a community of 12,000 would be heated by electricity.
a.
6,725 homes
b.
3,100 homes
c.
3,360 homes
d.
4,020 homes

Answer 1

Well, apply 7 out of 25 on the 12,000 homes.

Answer 2

What percentage is 7 out of 25?

Answer 3

Hello?

Answer 4

im not good with percentage

Answer 5

number / total

Answer 6

Is the percentage.

Answer 7

So if you had 4 red bricks and 1 white bricks, out of those bricks, 4/5 of them would be red.

Answer 8

So 4/5 * 100 is the percentage.

Answer 9

4/5 * 100 is 80, and it makes sense that 80% of the bricks are red.

Answer 10

so in this case 7/25*100 is the percentage?

Answer 11

Yes.

Answer 12

Anyways, to get for example, 40% of 10,

Answer 13

it will be 28%?

Answer 14

We divide the percent by 100, and multiply it by the total.

Answer 15

So

Answer 16

Sorry to confuse you

Answer 17

You do 7/25 * 12000

Answer 18

so know that I have 28% what do I do next?

Answer 19

You divide by 100, and multiply by the total.

Answer 20

So 0.28 * 12000.

Answer 21

3360 is what I get

Answer 22

It will be c?

Answer 23

Yep!

Answer 24

If I helped you, please click the medal button next to one of my comments.
Have a great day!

Answer 25

Thank you