Question

"Seven eighths of a number is 63." I need to show my work, but I don't know how to do this. PLZ help!

Answer 1

seven eights of a number = 7/8 × a number

let the unknown number be = x

`(7)/(8) * x = 63`

`x = 63 / ( (7)/(8) )`

`x = 63 * (8)/(7)`

`x = (504)/(7)`

`x = 72`