## natth88 Group Title an airplan is flying at 455 miles per hour. what is its speed in feet per minute? 2 years ago 2 years ago

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