Question

The number 31.5 is what percent of 90?

Answer 1

`35%`

Explanation:

`:.=31.5/cancel90^color(red)9 xx cancel100^color(red)10`

`:.=31.5/9 xx 10`

`:.=3.5 xx 10`

`:.=35%`

`color(red)(check:`

`color(red)(35%=35/100=.35`

`color(red)(0.35 xx 90=31.5`