If three fire-fighters can clear 240 metres of a fire trail in two days, how many metres of fire trail can be cleared by four fire-fighters in three days, working at the same rate?

1 Answer
Alan P.
Jun 25, 2018

#color(blue)(480" meters")#

Explanation:

If #3# firefighters can clear #240# meters in 2 days;
#rArr 3# firefighters can clear #240div2=120# meters in 1 day;
#rArr 1# firefighter can clear #120div 3=40# meters in 1 day.

#rArr 4# firefighters can clear #40xx4=160# meters in 1 day;
#rArr 4# firefighters can clear #160xx3=480# meters in 3 days.

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