SOLUTION: Mindy and Susan had some beans each.if Susan give 80 beans to mindy ,the 2 girls will have the same number of beans.if mindy gives 20 beans to Susan, Susan will have 5 times as man

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Question 1112555: Mindy and Susan had some beans each.if Susan give 80 beans to mindy ,the 2 girls will have the same number of beans.if mindy gives 20 beans to Susan, Susan will have 5 times as many beans as mindy.How many beans did mindy have? and how many beans did both girls have altogether?
Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website!
Let = number of beans that Mindy has to start with
Let = number of beans that Susan has to start with
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= number Susan has after go to Mindy
= number Mindy has after getting from Susan

(1)
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Mindy gives to Susan, then Mindy has

= number Susan then has

(2)
-------------------------------
Add (1) and (2)
(1)
(2)
--------------------------

and
(1)
(1)
(1)
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Mindy has 70 beans
and

They have 300 beans together
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check:
(2)
(2)
(2)
(2)
OK