Nikki is 25% more efficient that Tina. Tina alone can build a craft in 20 days. Find the number of days taken by Nikki to finish the same piece of work ?
Created: 4 years ago |
Updated: 3 years ago
best des
The ratio of times taken by Tina and Nikki = 125: 100 = 5: 4.
Suppose Nikki takes x days to do the work.
5 : 4 = 20 : x
so, x = (4x20)/5 = 16 days
Md Azizur Rahman
Founder of Satt
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