SOLUTION: Can you please help me solver this word problem: Eric can defeat 3 soldiers in 10 minutes while Tobias can defeat 5 soldiers in 6 minutes. If there are 30 soldiers guarding the

Question 888384: Can you please help me solver this word problem:
Eric can defeat 3 soldiers in 10 minutes while Tobias can defeat 5 soldiers in 6 minutes. If there are 30 soldiers guarding the headquarters, how long will Eric and Tobias fight together to defeat the soldiers if Eric starts fighting alone and then Tobias joins him 1 minute later? (State Exact answer as well as rounded to one decimal place)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Eric's rate of defeating soldiers is:
( 3 soldiers / 10 min ) = ( 3/10 soldiers / 1 min )
After 1 minute, there are soldiers left
Add their rate of defeating soldiers and
let = time in hours to defeat remaining soldiers

Multiply both sides by

---------------------
Fighting together, it takes them 26 min 12 sec to
finish defeating soldiers
----------------------
check:

close enough

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