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26 January, 17:00

Leila is participating in a

6

-day cross-country biking challenge. She biked for

78

,

59

,

70

,

48

, and

65

miles on the first five days. How many miles does she need to bike on the last day so that her average (mean) is

61

miles per day?

+4
Answers (1)
  1. 26 January, 17:12
    0
    She needs to ride 46 miles. to get this answer you multiply 61 by 6 and get 366. then you add up all the numbers and get 320 then you subtract 366 by 320.
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