Mr. Ortiz is building a wind chime. He needs six 20-centimeter pieces, three 30-centimeter pieces, and one 40-centimeter piece of string. What is the total length of string that he... Mr. Ortiz is building a wind chime. He needs six 20-centimeter pieces, three 30-centimeter pieces, and one 40-centimeter piece of string. What is the total length of string that he needs in meters and centimeters?
Understand the Problem
The question describes a scenario where Mr. Ortiz is building a wind chime with different lengths of string. The question asks us to calculate the total length of string he needs in both meters and centimeters. We need to calculate the total length by adding the lengths of the string pieces together, then converting the measurement into meters and centimeters.
Answer
2 meters and 50 centimeters
Answer for screen readers
2 meters and 50 centimeters
Steps to Solve
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Calculate the total length of the 20-centimeter pieces. Multiply the number of 20 cm pieces by their length. $6 \times 20 = 120$ cm
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Calculate the total length of the 30-centimeter pieces. Multiply the number of 30 cm pieces by their length. $3 \times 30 = 90$ cm
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Calculate the total length of all string pieces. Add the total length of each string size together. $120 + 90 + 40 = 250$ cm
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Convert the total length to meters. There are 100 centimeters in 1 meter. Divide the total length in centimeters by 100 to convert to meters. $250 \div 100 = 2.5$ meters
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Express the total length in meters and centimeters. The total length is 2.5 meters, which is 2 meters and 50 centimeters.
2 meters and 50 centimeters
More Information
The international standard unit of length is the meter, and other units are derived from it.
Tips
A common mistake is forgetting to account for all the different lengths of string. Another common mistake is making errors when converting between meters and centimeters. It is essential to remember that there are 100 centimeters in a meter.
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