SOLUTION: PROBLEM: the sum of two numbers is 10. three times the larger decreased by twice the smaller is 15. find the numbers.
i tried to plug in the numbers to a formula and i get stuck
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Question 718820: PROBLEM: the sum of two numbers is 10. three times the larger decreased by twice the smaller is 15. find the numbers.
i tried to plug in the numbers to a formula and i get stuck.
i did:
m+n=10
3m-2n=15 and then i combined them and got 4m-n=25 but it doesn't make sense
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
(2)
-------------------
(1)
Substitute this result into (2)
(2)
(2)
(2)
(2)
(2)
and, since
(1)
(1)
(1)
-------------
check:
3 times the larger is 21
twice the smaller is 6
OK
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