SOLUTION: tom mowed lawns a certain number of days to earn $300. if he had received $3 less per day, he would have had to work 5 days longer to earn the same amount. how many days did he wor
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Question 460607: tom mowed lawns a certain number of days to earn $300. if he had received $3 less per day, he would have had to work 5 days longer to earn the same amount. how many days did he work. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of days he worked
Let = amount he earned per day
given:
(1)
(2)
---------------------
(2)
(2)
(2)
and, from (1),
(1)
so,
(2)
(2)
(2)
(2) ( note: can't use the (-) sqrt )
He worked 20 days
check:
(1)
(1)
(1)
(2)
(2)
(2)
OK
