natth88 3 years ago an airplan is flying at 455 miles per hour. what is its speed in feet per minute?

1. TransendentialPI

${455 miles \over 1 hr }*{1 hr \over 60 \min}*{5280 feet \over 1 mile}$ The units cancel out and you just have to do the calculation. This is called Unit analysis. OK?

2. natth88

thanks