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Solve for n.
(12)/(5)=(n)/(8)
n=◻

Solve for nn.\newline125=n8\frac{12}{5}=\frac{n}{8}\newlinen=n =\square

Full solution

Q. Solve for nn.\newline125=n8\frac{12}{5}=\frac{n}{8}\newlinen=n =\square
  1. Divide Total Amount: To find the number of rolls, divide the total amount of tape needed by the amount of tape on each roll.\newline8,000cm÷2,000cm/roll=4rolls8,000\,\text{cm} \div 2,000\,\text{cm}/\text{roll} = 4\,\text{rolls}.
  2. Cross Multiply for nn: Cross multiply to solve for nn.12×8=5×n12 \times 8 = 5 \times n
  3. Do the Multiplication: Now, do the multiplication. 96=5n96 = 5n
  4. Divide Both Sides: Finally, divide both sides by 55 to solve for nn.96÷5=n96 \div 5 = n
  5. Calculate Division: Calculate the division to find nn.n=19.2n = 19.2

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