SOLUTION: 1. The present ages of Lewis and Brown are in the ratio 1:2. Three years from now, the ages will be in the ratio 3:5. Find the present ages of Lewis and Brown. 2. The ages of

Question 533974: 1. The present ages of Lewis and Brown are in the ratio 1:2. Three years from now, the ages will be in the ratio 3:5. Find the present ages of Lewis and Brown.

2. The ages of Ashley and Mary are in the ratio 4:7. The sum of their ages is 22. Find the ages of Ashley and Mary.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Lewis's age now
Let = Brown's age now
given:
(1)
(2)
------------------------
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
Substitute this into (2)
(2)
(2)
(2)
and, since
(1)
(1)
Their ages now are 6 and 12
check:

OK
#2
Let = Ashley's age now
Let = Mary's age now
given:
(1)
(2)
-------------
(1)
Substitute this into (2)
(2)
(2)
(2)
{2)
and, since
(2)
(2)
(2)
Ashley is 8 and Mary is 14
check answer:
(1)
(1)
Multiply both sides by
(1)
OK
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