Potatoes contain 20% starch. How many kilograms of starch are in 25 kg of potatoes?
| March 26, 2021 | education
The coefficient of starch content in potatoes is k = 20% = 0.2.
To find the mass of starch contained in 25 kg of potatoes, it is enough to find the product of this coefficient and the given mass of potatoes:
M = km, where M is the mass of starch, m is the mass of potatoes.
M = 0.2m = 0.2 * 25 = 5 kg.
Answer: 25 kg of potatoes contain 5 kg of starch.
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