Question

hi how do you do 3:4=18:-----

Answer 1

18/3 = 6 so ,multiply by 6 to 4
that will be ur answer

Answer 2

or you can write 3/4 =18/x
so x= 18*4/3

Answer 3

which is 4*6 = 24

Answer 4

but how do you remember it for a test

Answer 5

okay
you remember this
a:b = c:d can be written as
\[\frac{ a }{ b }=\frac{ c }{ d }\]

Answer 6

is that the formula for ratio

Answer 7

yes

Answer 8

ok thanks

Answer 9

yaw

Answer 10

Is rates same aa ratios

Answer 11

I find it harder

Answer 12

rates as in?

Answer 13

\(\large a : b\)

is same as

\(\large \dfrac{a}{b}\)

Answer 14

i think in that u just have to see by how much was it increased or decreased

Answer 15

calculatig rates, writing rates, and converting rates

Answer 16

yes they all are the problems which use `ratios`

Answer 17

yeah,similar to it

Answer 18

ratio is mathematical construct like `division` or `addition`

it is used in problems, like u use addition/subtraction etc...

Answer 19

do u have any example of converting rate problem ?

Answer 20

5 apples bought for 60c is a rate of_______ c per apple/

Answer 21

ahh ok :)

5apples : 60c = 1apple : ____

Answer 22

\(\large \dfrac{5}{60} = \dfrac{1}{x}\)

solve \(x\)

Answer 23

indeed its a very good application of ratios !

Answer 24

ahah thankyou