Question

While riding her bike to the ocean and back, Mandi timed herself at 48min, 50 min, 45min, 52 min, 60min, and 56 min. She had set a goal of averaging 52 minutes for her rides. How many minutes will she need to spend on her seventh ride to attain her goal?

Answer 1

(48+50+45+52+60+56+x) / 7 =52

Answer 2

isolate for x

Answer 3

because x is the unknown value a.k.a the number of minutes she should spend on the seventh ride

Answer 4

does that help?

Answer 5

yeah.... so x=52???

Answer 6

id assume x = 52(7) - (all the other times)

Answer 7

53

Answer 8

Thanks a bunch

Answer 9

np