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Noam had a length of 
13(1)/(3)cm of ribbon and cut 
3(1)/(3) equal-sized strips the full width of the ribbon.
How long is each whole strip?

cm

Noam had a length of 1313 cm 13 \frac{1}{3} \mathrm{~cm} of ribbon and cut 313 3 \frac{1}{3} equal-sized strips the full width of the ribbon.\newlineHow long is each whole strip?\newlinecm \mathrm{cm}

Full solution

Q. Noam had a length of 1313 cm 13 \frac{1}{3} \mathrm{~cm} of ribbon and cut 313 3 \frac{1}{3} equal-sized strips the full width of the ribbon.\newlineHow long is each whole strip?\newlinecm \mathrm{cm}
  1. Convert to Improper Fractions: Convert the mixed numbers to improper fractions to make the division easier.\newline13(13)13\left(\frac{1}{3}\right) cm can be converted to an improper fraction by multiplying the whole number by the denominator and adding the numerator, then placing the result over the original denominator.\newline13(13)=(13×3+1)/3=(39+1)/3=40313\left(\frac{1}{3}\right) = \left(13 \times 3 + 1\right)/3 = \left(39 + 1\right)/3 = \frac{40}{3} cm\newline3(13)3\left(\frac{1}{3}\right) can be converted in the same way:\newline3(13)=(3×3+1)/3=(9+1)/3=1033\left(\frac{1}{3}\right) = \left(3 \times 3 + 1\right)/3 = \left(9 + 1\right)/3 = \frac{10}{3}
  2. Find Length of Each Strip: Divide the total length of the ribbon by the number of strips to find the length of each strip.\newlineThe total length of the ribbon is 403\frac{40}{3} cm, and Noam cut it into 103\frac{10}{3} equal-sized strips.\newlineTo find the length of each strip, divide 403\frac{40}{3} cm by 103\frac{10}{3}.\newline(403)÷(103)=(403)×(310)=4010=4(\frac{40}{3}) \div (\frac{10}{3}) = (\frac{40}{3}) \times (\frac{3}{10}) = \frac{40}{10} = 4 cm
  3. Check Calculation: Check the calculation for any mathematical errors.\newlineWe multiplied the reciprocal of 103\frac{10}{3} to 403\frac{40}{3}, which simplifies to 4010\frac{40}{10}, and that equals 44. There are no mathematical errors in this calculation.

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