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About this activity

Simplifying ratio, Sharing in a ratio, Direct and inverse proportion

Created by

Islam Omirbaev
Islam Omirbaev
Uzbekistan

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Simplifying ratio, Sharing in a ratio, Direct and inverse proportion

by Islam Omirbaev
1

12:18 simplifies to

2

10 : 15 simplifies to 1 : 3

3

3 : 7 and 21 : 49 are equivalent ratios

4

To simplify a ratio, you divide both parts by the same number

5

Sharing 20 in the ratio 1 : 4 gives shares of 5 and 15

6

When sharing in a ratio, the total number of parts is the sum of the ratio numbers

7

If two quantities increase together, they are in direct proportion

8

If speed is constant, distance is directly proportional to time

9

More workers mean more time to finish job

10

If one quantity increases and the other decreases, it may be inverse proportion

11

Number of workers and time taken for a job are inversely proprotional

 
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