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Example 10 - Chapter 7 Class 7 Comparing Quantities
Last updated at Dec. 16, 2024 by Teachoo
Percentage increase or decrease
Chapter 7 Class 7 Comparing Quantities
Concept wise
Transcript
Example 10 A school team won 6 games this year against 4 games won last year. What is the per cent increase? Number of games won this year = 6 Number of games won last year = 4 Increase in number of games won = 6 − 4 = 2 Percentage increase = (𝑰𝒏𝒄𝒓𝒆𝒂𝒔𝒆 𝒊𝒏 𝒏𝒖𝒎𝒃𝒆𝒓 𝒐𝒇 𝒈𝒂𝒎𝒆𝒔 𝒘𝒐𝒏)/(𝑵𝒖𝒎𝒃𝒆𝒓 𝒐𝒇 𝒈𝒂𝒎𝒆𝒔 𝒘𝒐𝒏 𝒍𝒂𝒔𝒕 𝒚𝒆𝒂𝒓) × 100% = 2/4 × 100% = 1/2 × 100% = 50%
