If Ruby walks to work at a rate of 2 miles per hour, but she walks home by the same route at a rate of 3 miles per hour, what is Ruby's average walking rate in miles for the round trip?
A. 2.5
B. 2.25
C. 2.1
D. 2.4
JUIBA (Unit-E)Set-Kমানসিক দক্ষতা(IQ)গাণিতিক সমস্যাIQ-4 (Topic Practice)JU - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
D.
2.4
Explanation:
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