Respuesta :

apologiabiology
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