2.4 – Percents Textbook pg. 137 Objective:

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Presentation transcript:

2.4 – Percents Textbook pg. 137 Objective: The student will solve percent problems using proportions in order to apply percents to everyday scenarios.

Percent: ratio of a number out of 100 decimal fraction percent .25 = 25 100 = 25% Write the missing form: 1) .34 = = 2) = 2 5 = 3) = = 12%

Solving Percent: 𝑖𝑠 𝑜𝑓 = % 100 OR 𝑝𝑎𝑟𝑡 𝑤ℎ𝑜𝑙𝑒 = % 100 4) Find 35% of 20 5) 440 is what % of 400 6) 40% of what number 7) What percent of 60 is 15? is 14?

8) Pure gold is 24 Karat, meaning it is 100% gold 8) Pure gold is 24 Karat, meaning it is 100% gold. Lesser Karats are partial gold mixed with other metals. What percent of a 14-Karat ring is actual gold? 9) A can of iced tea contains 4% of the recommended daily allowance of sodium. The recommended daily allowance is 2500 mg. How many mg fo sodium are in the iced tea?

Name Date Period 2. 4 HW – pg. 141 #9-19 odd, 23, 25, 27, 42-44, 54 Name Date Period 2.4 HW – pg. 141 #9-19 odd, 23, 25, 27, 42-44, 54 *You are allowed to use a calculator*