$50 is on sale for $35. What is the percent decrease in the cost?
1 answer:
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Conversion factor is the term that is to be multiplied to a variable when converting between units. The conversion factor is:
Given that:
From standard unit of conversion:
So, we have:
Cross multiply
Divide both sides by 1kg
Rewrite as:
Hence, the conversion factor is:
Read more about conversion factors at: