A group of four friends goes to a restaurant. They all order a burger that cost b and fries for $1.39. One friend also gets dessert for $2.4

Question

A group of four friends goes to a restaurant. They all order a burger that cost b and fries for $1.39. One friend also gets dessert for $2.49. Their total is $28.01. Write an equation can be used to find the cost of one burger. *

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Phúc Điền 4 years 2021-09-05T11:22:44+00:00 1 Answers 3 views 0

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    2021-09-05T11:24:23+00:00

    The answer would be: 1.39 + 2.49 + b = 28.01

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )