<p>MEP Practice Book SA15
15.1 Simple Ratios
Simplify each of the following
6 : 2
8 : 4
3 : 9
10 : 5
15 : 30
7 : 14
10 : 100
4 : 16
5 : 25
1.3 : 2.6
24 : 15
8 : 24
9 : 36
1.5 : 6
4.5 : 18
A train contains 50 1st class passengers and 150 standard class passengers.
the ratio of 1st class to standard class passengers,
the ratio of standard to 1st class passengers.
The sides of a room are of lengths 6 m and 4.5 m. Find the ratio of the larger to the
A ballet corps has 55 female members and 10 male members.
What is the ratio of
female to male members,
male to female members?
Lemonade and orange juice are mixed in the ratio of 2 : 1.
How much lemonade is mixed with
10 cm 3 of orange juice,
50 cm 3 of orange juice?
In a bean salad the ratio of red beans to haricot beans is 3 : 1.
If there are 20 haricot beans in a serving, how many
red beans are there,
beans in total are there?
The ratio of RED Smarties in a box to other colours is 1 : 8.
If there are 4 RED Smarties, how many Smarties are there altogether?
If there are 27 Smarties in the box, how many RED ones would you expect?
MEP Practice Book SA15
The ratio of vertical to horizontal distance travelled up a hill
is 1 in 5. If you have travelled 20 m horizontally, how far
have you travelled vertically?
For a cake, the ratio of egg to flour is 1 egg to 4 oz of flour.
If you are making a cake with 4 eggs, how much flour do you need?
If the recipe says 12 ozs of flour, how many eggs does it need?
15.2 Proportion and Ratio
For some jam making the ratio of weight of sugar to weight of fruit is 2 : 5.
If you have 10 lbs of fruit, how much sugar do you need?
If you have 3 lbs of sugar, what is the greatest weight of fruit you could use?
A shop sells, on average, 2.5 television sets for every video sold.
If, during one week, 10 videos were sold, estimate how many television sets