Percents And Probability Worksheet With Answers - Lesson 12-19 Page 33
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4916.
Tom left a $2.50 tip after eating his meal at a restaurant. If he tipped 15%, how much did his meal cost?
17.
Patrick interviewed several students to find out how many hours they slept last night. The results are
described in the histogram.
8
a. How many students did Patrick interview?
b. What percent of the students slept between
7
7 and 8 hours?
6
c. What percent of the students slept fewer than
5
4 hours?
4
d. If a student sleeps 7 hours, what percent
3
of a 24 hour day do they sleep?
2
e. If a student sleeps 4 hours, what percent
of a 24 hour day do they sleep?
1
4
7
8
3
1
1
1
1
2
3
4
5
6
7
8
9
10
11
12
hours slept
18.
Of the 1.8 million wage records reported by Oregon’s private employers during the second quarter
of 2005, 25% of jobs paid between $10 and $14.99 per hour. How many jobs paid between $10 and
$14.99 per hour?
19.
A blueprint of a room has a scale of 1 inch : 2 feet.
a. A wall is 10 inches long on the blueprint. How long is the actual wall?
b. What percent of an actual length in the room is the length on the blueprint?
review
use proportions to solve.
20.
21.
What is 62% of 120?
What percent of 80 is 60?
22.
23.
Thirteen is what percent of 104?
What is 98% of 200?
Write each fraction as a percent.
1 _
2 _
2 _
24.
25.
26.
5
8
3
Write each percent as a fraction in simplest form.
27.
28.
29.
60%
26%
10%
103
Lesson 17 ~ Solving Percents Using Equations
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