Johnny waited 0.25 hour before his school bus arrived. How many minutes did johnny actually wait?

How to install the app on iOS

Follow along with the video below to see how to install our site as a web app on your home screen.

Note: This feature may not be available in some browsers.

ncG1vJloZrCvp2O6osDHnJylnZKntrXFjZympmeTpLquwc2iq7JnpJ2%2Fpq3DrGajp5iju7p51pqgrZ2UYn1ufpRmn6itomKvprLOq5xmoJmoerSvx6impWWSqsBurdGroK%2BdlGK1sMOMppinsV2itq%2FB056qZpyZmXqru8enpbJlkZjBtq3LpbBmr5GewW9%2FlGxnaA%3D%3D