queenme17 queenme17

02-04-2014
Mathematics

Answered

Maria exercises for 2 1/7 hours every Saturday. She runs for 1/3 of the time that she exercises. How much time does she spend running every Saturday?

Answer :

10-06-2014

[tex]2\frac{1}{7}*\frac{1}{3}=\frac{15}{7}*\frac{1}{3}=\frac{15*1}{7*3}=\frac{15}{21}=\frac{5}{7}[/tex]
[tex]\frac{5}{7}*60=\frac{5*60}{7}=\frac{350}{7}=42,(857142)min\approx 42.86min[/tex]

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