a merchant mixed 15 Ib of a cinnamon tea with 10 Ib of spice tea. The 25-pound mixture sells for $65. A second mixture included 14 lb of the

Question

a merchant mixed 15 Ib of a cinnamon tea with 10 Ib of spice tea. The 25-pound mixture sells for $65. A second mixture included 14 lb of the cinnamon tea and 16 lb of spice tea. The 30-pound mixture sells for $84. Find the cost per pound for the cinnamon and for the spice tea.
PLEASE EXPLAIN ANSER

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Amity 3 months 2021-08-02T18:18:32+00:00 2 Answers 1 views 0

Answers ( )

    0
    2021-08-02T18:20:01+00:00

    Answer:

    $2.6 for 25 pound bag; $2.8 for 30 pound bag

    Step-by-step explanation:

    To figure out the cost per pound, you need to divide the cost by the total number of pounds. So, for the 25 pound bag, divide 65 by 25 to get $2.6. For the 30 pound bag, divide 84 by 30 to get 2.8.                        

    0
    2021-08-02T18:20:08+00:00

    Answer:

    Step-by-step explanation:

    12 x + 4 y = 42 ………….1

    16 x + 8 y = 64 ………….2

    Eliminate y

    multiply (1)by -2

    Multiply (2) by 1

    -24 x -8 y = -84

    16 x 8 y = 64

    Add the two equations

    -8 x = -20

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