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Dvinal [7]
3 years ago
14

When 70​% of a number is added to the​ number, the result is 221. What is the​ number?

Mathematics
1 answer:
Sholpan [36]3 years ago
7 0

Answer: 130

Step-by-step explanation:

so 0.7x + x = 221

so 1.7x = 221

divide both sides by 1.7 to get

x = 130

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