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KingKayyy2322
06.07.2019 •
Mathematics
Ahmed is taking orders for lunch.a sliceof pizza cost $2.1 and a chichen sandwich cost $3.1. he collects $22.8 for the group of 8 people let x=number of pizza orders lety=number of chicken orders
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Ответ:
2.1x + 3.1y= 22.8
-2.1x - 2.1y = -16.8
2.1x +3.1y = 22.8
y = 6 chicken orders
x + 6 = 8
x = 2 pizza orders
Ответ: