SOLUTION: Using Echelon method
Blake Allvine spent $35.97 downloading 33 songs from iTunes. the new releases cost $1.29 each, while older songs cost $0.99 each. How many new releases and ho
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Question 1053551: Using Echelon method
Blake Allvine spent $35.97 downloading 33 songs from iTunes. the new releases cost $1.29 each, while older songs cost $0.99 each. How many new releases and how many older songs did Blake buy?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of new releases downloaded
Let = number of older songs downloaded
---------------------------------------------
(1)
(2)
------------------------------
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
----------------------------
and
(1)
(1)
(1)
He bought 11 new releases
He bought 22 older songs
----------------------------
I don't know what the echelon method is,
but this is the way I do it.
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