Mr Lee bought 7kg of crabs and 6kg of beef. Each kilogram of crabs costs 8 more dollars than 2kg of beef. If each kilogram of crabs costs 16 dollars,

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1. Solution:

   $136\ dollars$

   Step by step solution:

   Each kilogram of beef costs:

   $(16 – 8): 2 = 4\ (dollars)$

   The amount of dollars that Mr Lee had to pay for 7kg of crabs:

   $16\times 7 = 112\ (dollars)$

   The amount of dollars that Mr Lee had to pay for 6 kg of beef:

   $4\times 6 = 24\ (dollars)$

   The total amount paid by Mr Lee:

   $112 + 24 = 136\ (dollars)$

   Answer: $136\ dollars$

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2. Đáp án:

    

   Giải thích các bước giải:

    136 dollars

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