Mathematics: There are 90 girls and 60 boys in the sixth grade at a middle school. Of these students, 7 girls and 2 boys write left-handed. What percentage of the sixth graders at this middle school write left-handed?

There are 90 girls and 60 boys in the sixth grade - id90608914748, nevaehroyal0708

Ответ:

LeoInc2475

08.02.2022

Step-by-step explanation:

90 + 60 = 1507 + 2 = 9Set up a proportion: $\frac{9}{150} = \frac{x}{100}$ Cross multiply, then divide: 9 × 100 = 900, 900 ÷ 150 = 6So, 6% of students in 6th grade were left-handed

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hazelg

26.06.2021

Mathematics

The Truman Doctrine was an American foreign policy to stop Soviet imperialism during the Cold War. It was announced to Congress by President Harry S. Truman on March 12, 1947 when he pledged to contain Soviet threats to Greece and Turkey.

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There are 90 girls and 60 boys in the sixth grade at a middle school. Of these students, 7 girls and 2 boys write left-handed. What percentage of the sixth graders at this middle school write left-handed?

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