Equivalent Ratios

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Show your work for each problem.

1.
Which ratio is equivalent to ?
1. a)
2. b)
3. c)
4. d)
2.
Complete:
3.
Are and equivalent ratios?
1. a)No, they have different numbers
2. b)Yes, both simplify to
3. c)No, is larger
4. d)Yes, but only if you add 3 to each
4.
Find two ratios equivalent to .
5.
Simplify to its simplest form.
6.
A recipe uses flour and sugar in a ratio of . If you use 12 cups of flour, how much sugar do you need?
7.
Which pair of ratios is NOT equivalent?
1. a) and
2. b) and
3. c) and
4. d) and
8.
Complete:
9.
Complete the ratio table for : Find values when the first number is 8, 12, and 20.
10.
If you add 2 to both parts of , do you get an equivalent ratio?
1. a)Yes, adding keeps the ratio the same
2. b)No, you should subtract instead
3. c)Yes, both parts changed equally
4. d)No, is not equivalent to
11.
Are and equivalent? Show your work.
12.
A map scale is . If two cities are 3.5 cm apart on the map, what is the real distance in km?
13.
Paint is mixed in a ratio of red:white = . If you have 35 liters of white paint, how much red paint do you need?
14.
Which ratio is equivalent to ?
1. a)
2. b)
3. c)
4. d)
15.
If and , what is the value of ?
16.
A school has students in the ratio of boys:girls = . If there are 420 girls, how many students are there in total?