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670 – 632 = 38 Find the amount of change. 38 632. n 100. = Write a proportion. 632 n = 38 ( 100 ) Find the cross products. 632 n 632. 38(100) 632. = Divide each side by 632. n = 6.01265 Simplify.
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670 – 632 = 38Find the amount of change. 38 632 n 100 = Write a proportion. 632n = 38(100) Find the cross products. 632n 632 38(100) 632 = Divide each side by 632. n = 6.01265 Simplify. COURSE 2 LESSON 6-8 Finding Percent of Change Last year, a school had 632 students. This year the school has 670 students. Find the percent of increase in the number of students. The number of students increased by 6%. 6-8
13,775 – 10,590 = 3,185Find the amount of markup. 3,185 10,590 n 100 = Write a proportion. 10,590n = 3,185(100) Find the cross products. 10,590n 10,590 3,185(100) 10,590 = Divide both sides by 10,590. n 30 Simplify. COURSE 2 LESSON 6-8 Finding Percent of Change Find the percent markup for a car that a dealer buys for $10,590 and sells for $13,775. The percent markup is 30%. 6-8