Do these ratios form a proportion? 20 dollars for 8 hot dogs 7 dollars for 2 hot dogs

Question

Do these ratios form a proportion?

20 dollars for 8 hot dogs

7 dollars for 2 hot dogs

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Huyền Thanh 4 years 2021-08-21T04:21:24+00:00 1 Answers 8 views 0

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  1. thienan
    0
    2021-08-21T04:22:31+00:00
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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )