Question

40% of what number is 108?

Answer 1

You must write a proportion.

Explanation:

`108/x = 40/100`

`x = (108 xx 100)/40`

`x = 270`

40% of 270 is 108.

Practice exercises:

Below is the graph of average temperatures by month in Flagstaff, Arizona. Find the percentage of months where the nighttime temperature is less than `40˚ F`

Good luck!