Ratios And Rates Worksheet - Chapter 3 Page 20
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38Practice
Lesson 3.1
List three ratios equivalent to 4 : 9.
1. a)
b)
Can one term of a ratio equivalent to 4 : 9 be 360? Is there
more than one way? Explain.
2.
Calculate each missing term.
■
:11
11:121
a)
■
5 : 2
:14
b)
■
c)
: 5
17: 2.5
Green paint is mixed with white paint in the ratio 5 : 3 to make
3.
the green paint lighter.
What fraction of the paint is white?
a)
There are 2 L of mixed paint. How many litres of green
b)
paint were used to make it?
Determine each ratio for the numbers from 1 to 100, including
4.
1 and 100.
the number of even numbers to the number of odd numbers
a)
b)
the number of multiples of 6 to the number of multiples of 8
Lesson 3.2
5.
Complete each ratio table.
a)
Number of days
7
28
5
35
100
40
Number of school days
b)
Number of dimes
9
6
10¢
90¢
80¢
800¢
Value of dimes
The ratio of Grade 8 students to Grade 7 students on a field
6.
trip is 7: 5. In all, 84 students went on the trip. Determine the
number of Grade 8 students on the trip using a ratio table.
Lesson 3.3
7.
Jerry makes bead necklaces. Each necklace has red, blue, and
purple beads in the ratio 5 : 3 :1. One necklace has 36 beads
altogether. How many of each colour does it have?
121
Ratios and Rates
NEL
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