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Mathematics 11 Online
OpenStudy (stacythunder):

.

OpenStudy (danieldjpon3):

1,66 times 9 is 1440

OpenStudy (danieldjpon3):

and 1,600 times 13 is 20800

OpenStudy (danieldjpon3):

1,600* Sorry

OpenStudy (danieldjpon3):

same :P lol

OpenStudy (thefurball):

still need help?

OpenStudy (thefurball):

y pizzas * $9 + x pastas * $13 = $15,600 x pastas + y pizzas = 1600

OpenStudy (thefurball):

9y+13x = 15600 x+y=1600 x=1600-y 9y+13(1600-y) = 15600 y=1300 pizzas x+1300=1600 x=300 pastas

alones (alones):

Yw (:<

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