Question

how can i find the number of a percent for example 20% of 45

Answer 1

9

Answer 2

is 0.9 the same as 9

Answer 3

Yes

Answer 4

No, wait, 0.09 is the same

Answer 5

i wanna know how you can find it

Answer 6

"percent" pretty much means "over 100," and 9/100=.09

Answer 7

You find it wit hproportions

Answer 8

20/100=x/45

Answer 9

cross multiply
20*45=100x

Answer 10

then solve for x
900=100x
9=x

Answer 11

so 9 is 20% of 45

Answer 12

thanks