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# If a swimmer swims 85.4 yards in 5 minutes. How many meters will he swim in 70.0 seconds?

Start with a known ratio of distance to time and multiply by the desired time

##("85.4 yards") / ("5 minutes") * ("70.0 seconds")/1 = ?##

The units of measurement don't match so multiply by a ratio of the appropriate units where that ratio is equivalent to 1

##= ("85.4 yards") / ("5 minutes") * ("70.0 seconds")/1 * ("1 minute")/("60 seconds")##

Cancel out the equivalent units and factors:

##= ("85.4 yards") / (5) * 70.0/1 * 1/60##

Finish doing the arithmetic:

## = ("85.4 yards") / (5) * 70.0/60 ##

## = "19.9 yards" ##

Since the answer is being asked for in meters, we know that ## "1 yard" = "0.9144 meters" ##

## = ("19.9 yards") * ("0.9144 meters")/("1 yard")##

## = "18.1966 meters" ##

Hope this simplifies the process for you.

Double Checking the Answer:

## ("85.4 yards") / ("5 minutes") = ("18.1966 meters")/("70 seconds")##

## => ("78.0898 meters") / ("300 seconds") = ("18.1966 meters")/("70 seconds")##

## => "0.26 meters/second" = "0.26 meters/second" ##