find compound ratio of 4:5 and 3:8
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Answer:
Correct answer is 21 : 50
Step-by-step explanation:
Step-by-step explanation:
We are given
Ratio 1 = 3:5
Ratio 2 = 7:10
The compound ratio found by Nikita for above two ratios = 7:10
Now, lets find out whether Nikita is right or wrong
The compound ratio is found by multiplying both the ratios
\frac{3}{5}*\frac{7}{10}
5
3
∗
10
7
This can be simplified as
\frac{3*7}{5*10}
5∗10
3∗7
\frac{21}{50}
50
21
It can be written as
21 : 50
so our compound ratio is 21 : 50
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