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?

Question

Mathematics

Briana Young

4 October, 17:52

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)

Know the Answer?

Alexandria Barr · Answer 1

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.

Leila is participating in a6-day cross-country biking challenge. She biked for78,59,70,48, and65miles on the first five days. How many miles does she need to bike on the last day so that her average (mean) is61miles per day?

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?