Comparison Turns Value in Math

A comparison is called a reversed ratio if two price comparisons are reversed.

Formula of comparison turns value

Example:
A job can be completed by 3 workers for 15 days. Determine the worker's banter to be added for work to be completed within 5 days!

Answer:
a = 3 people
b = x
a₁ = 15 days
b₁ = 5 days

So the worker that needs to be added is 9 - 3 = 6 workers.

Similarly this article.
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The end of word wassalamualaikum wr. wb

Referensi :

• To'Ali's book math group accounting and sales

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