Running 4/3 of his usual speed, a person improves his timing by 10 minutes. Find his usual time to cover the given distance.
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Q:
Running 4/3 of his usual speed, a person improves his timing by 10 minutes. Find his usual time to cover the given distance.
- 140 mintrue
- 245 minfalse
- 346 minfalse
- 448 minfalse
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