SOLUTION: al bought carrots at .75 a kg and potatoes at .79 a kg. altogether he bought 9 kg that cost 6.60 between the two. how many kg of each (potatoes and carrots) did he buy?
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Question 183477: al bought carrots at .75 a kg and potatoes at .79 a kg. altogether he bought 9 kg that cost 6.60 between the two. how many kg of each (potatoes and carrots) did he buy?
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PLEASE PLEASE HELP !
quiickkk ?! Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = kg of potatoes bought
Let = kg of carrots bought
given:
(1)
(2)
This is 2 equations and 2 unknowns, so it's solvable
Multiply both sides of (1) by and
subtract from (2)
(2)
(1)
(3)
There's a problem here, I end up with a negative
number for . One or more of the numbers in
the problem is wrong- check it again, then
follow my method & you should do OK
