Example 2
If the number of apples in a bag is 12 and the number of peaches is 3, what is the ratio of apples to peaches ?
Solution:
Number of apples = 12
Number of peaches = 3
\ Ratio of apples to peaches is 12 :
3 or 4 : 1.
Example 3
Two complementary angles are in the ratio 1 : 2 what is their measure ?
Solution:
Let one angle be x and the other 2x
\ x + 2x = 900
3x = 900
x = 300
\
2 x = 600
The two angles measure 300 and 600.
Example 4
A 500 ft tall building is drawn as 25 cm tall on a paper. If its width is drawn as 2 cm what is the actual width of the building ?
Solution:
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