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EXERCISE I.7Solve these word problems.1. The height of 10 boys is given in cm.143, 132, 149, 148, 151, 146, 135, 128, 139, 150What is the average height?2. The ages of 10 children who joined the skating camp were 6 y9 years, 8 years, 7 years, 11 years, 9 years, 7 years, 10 years,Find the average age.3. Find the average savings per month if the yearly savings of R4. The sum of seven numbers is 497. What is their average? |
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Answer» 1. average height of 10 boys are=(143+132+149+148+151+146+135+128+139+150)/10=1421/10so average height=142.1 |
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