Estimating With Percents
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Estimate 59% of 403 using fractions. Estimating With Percents COURSE 3 LESSON 6-2 59% 3 5 Use a fraction that is close to 59%. 403 400 Round 403 to a number compatible with 59% of 403 3 5 of 400 3 5 = • 400 1 1 80 Multiply to find of 400. 3 5 = 240 Simplify. So, 59% of 403 is about 240. 6-2
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3 5. 59%. Use a fraction that is close to 59%. 403. 400. Round 403 to a number compatible with 5. 3 5. 59% of 403. of 400. 80. 3 5. 3 5. 400 1. Multiply to find of 400. = •. 1. = 240. Simplify. COURSE 3 LESSON 6-2. Estimating With Percents. - PowerPoint PPT Presentation
Transcript of Estimating With Percents
Estimate 59% of 403 using fractions.
Estimating With PercentsEstimating With PercentsCOURSE 3 LESSON 6-2COURSE 3 LESSON 6-2
59%35 Use a fraction that is close to 59%.
403 400 Round 403 to a number compatible with 5.
59% of 40335 of 400
35= •
40011
80Multiply to find of 400.
35
= 240 Simplify.
So, 59% of 403 is about 240.
6-2
A video store rented 297 videos. The customers
returned 19% of the videos late. Estimate, using fractions,
how many videos were returned late.
Estimating With PercentsEstimating With PercentsCOURSE 3 LESSON 6-2COURSE 3 LESSON 6-2
19%15 Use a fraction that is close to 19%.
297 300 Round to a number that is compatible with 5.
19% of 29715 of 300
15 = 60= •
3001 Multiply to find of 300.
1
6015
About 60 videos were returned late.
6-2
Estimating With PercentsEstimating With Percents
Show the numbers you use to estimate.
1. Use decimals to estimate 54% of 29.
2. Use fractions to estimate 74% of 38.
3. Estimate a 15% tip on $8.15.
4. About 60% of 27 students are in the play.
0.5 • 30 = 15
COURSE 3 LESSON 6-2COURSE 3 LESSON 6-2
• 40 = 3034
0.1(8) + 0.1(4) = 0.8 + 0.4 = $1.20
(30) = 18 students35
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