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30 // 3 = ? 12 6 = ? 17 2 = ? 25 // 5 4 = ? 14 // 7 8 = ? 16 // ? * 5 = 20 Use the examples below to do the following assignments.

Mathematics

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Step-by-step solution

4 steps

Here are the solutions to your math problems:

  1. Step 1: Divide 30 by 3.

    30÷3=1030 \div 3 = \boxed{\mathbf{10}}
  2. Step 1: Perform the division first.

    25÷5=525 \div 5 = 5
  1. Multiply the result by 4.

    $$
    5 \times 4 = \boxed{\mathbf{20}}
    $$
    

    21. Step 1: Multiply 12 by 6. 12×6=72 12 \times 6 = \boxed{\mathbf{72}}

    1. Step 1: Perform the division first. 14÷7=214 \div 7 = 2
  2. Multiply the result by 8.

    $$
    2 \times 8 = \boxed{\mathbf{16}}
    $$
    

    23. Step 1: Multiply 17 by 2. 17×2=34 17 \times 2 = \boxed{\mathbf{34}}

    1. Step 1: Let the missing number be xx. The equation is: 16÷x×5=2016 \div x \times 5 = 20
  3. Divide both sides by 5.

    $$
    16 \div x = 20 \div 5
    $$
    $$
    16 \div x = 4
    $$
    
  4. Solve for xx.

    $$
    x = 16 \div 4
    $$
    $$
    x = \boxed{\mathbf{4}}
    $$
    
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