suppose a band at another school sells eraser for $2 per package. the band sells 220 package in all and earns a total of $695. write a system of equation to find the number of each type of package sold.

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04-02-2018
Mathematics

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suppose a band at another school sells eraser for $2 per package. the band sells 220 package in all and earns a total of $695. write a system of equation to find the number of each type of package sold.

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mandaaapandaaa1234 mandaaapandaaa1234 · Answer 1 · 2018-02-05T00:04:09+01:00

x= # of eraser packages = 135
y= # of pencil packages = 85

cost = 2x + 5y = 695
# of items = x+y= 220
   2x+5y=695
-2x -2y=-440
3y   255
----- = ------- y=85 x+(85) / 220
3 3 ----- -----
-85 -85

x=135
2(135) + 5 (85) ?695
270+425?695
695+695