nenejk
nenejk
08-02-2017
Mathematics
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What do I have to do
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apologiabiology
apologiabiology
08-02-2017
t+b=280
2t+3b=660
eliminate tacos
multiply top equation by -2 and add to botom one
-2t-2b=-560
2t+3b=660 +
0t+1b=100
b=100
100 burritos
sub back
t+b=280
t+100=280
minus 100
t=180
180 tacos and 100 burritos
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