Fractions, Decimals, And Percents Worksheet Page 34
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42English
Spanish
Determine whether the statement is sometimes, always, or never true.
Explain your reasoning.
30. If both the percent and the number are rounded down,
then the estimate will be less than the actual answer.
31. If the percent is rounded down and the number is rounded up,
then the estimate will be less than the actual answer.
32.
TRAIL MIX
A company increases the size of a bag of trail mix.
a. About how many ounces are in the new bag?
b. The new bag costs $1.80 more. Did the cost
increase by the same percent as the size?
Does the new cost seem fair ? Explain.
Children Speaking Another Language at Home
p
g
g
g
33.
LANGUAGE
The bar graph gives information
40
about different regions of the United States.
30
33.0
Out of 500 children from each region, estimate
20
19.7
16.8
the number of children that speak another
10
10.8
language at home.
0
Northeast Midwest
South
West
Region
Favorite Sport
34.
SPORTS
The circle graph shows the results of a
13% 17%
13%
7%
survey of 388 students.
?
7%
7
Other
a. Estimate how many more students preferred
soccer than baseball and tennis combined.
24%
24
31%
%
b. Estimate how many students chose other.
Explain how you found your answer.
35.
A pair of shoes that costs $90 is discounted by 33%. To estimate the
1
—
amount of the discount, you multiply the price by 0.3. Your friend multiplies by
.
3
Which estimate is closer to the actual amount of the discount? Explain.
Write the fraction in simplest form.
SKILLS REVIEW HANDBOOK
20
15
42
8
—
—
—
—
36.
37.
38.
39.
25
18
48
28
36
—
40.
MULTIPLE CHOICE
Which number is not equal to
?
SECTION 4.1
SECTION 4.2
100
18
9
○
—
○
○
—
○
0.36%
0.36
A
B
C
D
50
25
Section 4.5
Percents and Estimation
179
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