Question

63 is 90% of what number?

Answer 1

Let the number be `x`. Now,
`rArr90% of x= 63`

`rArr90/100 xx x=63`

`rArr9x = 63 xx 10`

`rArr x= (63 xx 10)/9`

`rArr x=7 xx 10`

`rArr x= 70`

Therefore, the value of `x` = 70.
Please let me know if it helped you or not, one way or the other:)

Answer 2

`63` is `90%` of `70`.

Explanation:

First, translate the question into math.

Here's what I mean by that:

`stackrel(63) overbrace("60") " " stackrel(=) overbrace("is") " " stackrel(90%) overbrace("90%") " " stackrel(xx) overbrace("of") " " stackrel(x) overbrace("what number") "?"`

Now copy that equation and solve for `x`:

`63=90%xxx`

`63=0.9xxx`

`63=9/10xxx`

`63color(blue)(xx10)=9/10xxxcolor(blue)(xx10)`

`63color(blue)(xx10)=9/color(red)cancelcolor(black)10xxxcolor(blue)(xxcolor(red)cancelcolor(blue)10)`

`63color(blue)(xx10)=9xxx`

`630=9xxx`

`color(blue)(color(black)630/9)=color(blue)(color(black)(9xxx)/9)`

`color(blue)(color(black)630/9)=color(blue)(color(black)(color(red)cancelcolor(black)9xxx)/color(red)cancelcolor(blue)9)`

`color(blue)(color(black)630/9)=x`

`70=x`

That's the answer. Hope this helped!

Answer 3

`70`

Explanation:

`70`