Using the Percent Proportion

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Presentation transcript:

Using the Percent Proportion 𝒊𝒔 𝒐𝒇 = % 𝟏𝟎𝟎

Percent Proportions 𝑛𝑢𝑚𝑏𝑒𝑟# 𝑏𝑒𝑓𝑜𝑟𝑒 𝑡ℎ𝑒 𝑤𝑜𝑟𝑑 "𝒊𝒔" 𝑛𝑢𝑚𝑏𝑒𝑟 𝑎𝑓𝑡𝑒𝑟 𝑡ℎ𝑒 𝑤𝑜𝑟𝑑 "𝒐𝒇" = # 𝑤𝑖𝑡ℎ 𝑡ℎ𝑒 % 𝑠𝑖𝑔𝑛 100

Percent Proportion – Problem #1 55% of 180 is what number? 𝒏 𝟏𝟖𝟎 = 𝟓𝟓 𝟏𝟎𝟎 𝒏=𝟗𝟗

Percent Proportion – Problem #2 What is 40% of 64? 𝒏 𝟔𝟒 = 𝟒𝟎 𝟏𝟎𝟎 𝒏=𝟐𝟓.𝟔

Percent Proportion – Problem #3 What percent of 20 is 14? 𝟏𝟒 𝟐𝟎 = 𝒏 𝟏𝟎𝟎 𝒏=𝟕𝟎 70%

Percent Proportion – Problem #4 45 is 60% of what number? 𝟒𝟓 𝒏 = 𝟔𝟎 𝟏𝟎𝟎 𝒏=𝟕𝟓

Percent Proportion – Problem #5 What is 25% of 80? 𝒏 𝟖𝟎 = 𝟐𝟓 𝟏𝟎𝟎 𝒏=𝟐𝟎

Percent Proportion – Problem #6 What percent of 25 is 15? 𝟏𝟓 𝟐𝟓 = 𝒏 𝟏𝟎𝟎 𝒏=𝟔𝟎 60%

Percent Proportion – Problem #7 45% of what number is 90? 𝟗𝟎 𝒏 = 𝟒𝟓 𝟏𝟎𝟎 𝒏=𝟐𝟎𝟎

Percent Proportion – Problem #8 25% of what number is 30? 𝟑𝟎 𝒏 = 𝟐𝟓 𝟏𝟎𝟎 𝒏=𝟏𝟐𝟎

Percent Proportion – Problem #9 4 is what percent of 20? 𝟒 𝟐𝟎 = 𝒏 𝟏𝟎𝟎 𝒏=𝟐𝟎 20%

Percent Proportion – Problem #10 34 is 20% of what number? 𝟑𝟒 𝒏 = 𝟐𝟎 𝟏𝟎𝟎 𝒏=𝟏𝟕𝟎

Percent Proportion – Problem #11 12 is what percent of 30? 𝟏𝟐 𝟑𝟎 = 𝒏 𝟏𝟎𝟎 𝒏=𝟒𝟎 40%

Percent Proportion – Problem #12 15% of 60 is what number? 𝒏 𝟔𝟎 = 𝟏𝟓 𝟏𝟎𝟎 𝒏=𝟗

Percent Proportion – Problem #13 A store is selling t-shirts that cost $12 for 20% off. What the discount? 𝒏 𝟏𝟐 = 𝟐𝟎 𝟏𝟎𝟎 𝒏=𝟐.𝟒 The discount is $2.40

Percent Proportion – Problem #14 Demi got 15 out of 25 questions correct on her test. What percent is this? 𝟏𝟓 𝟐𝟓 = 𝒏 𝟏𝟎𝟎 𝒏=𝟔𝟎 60%