math
posted by anna on .
Hannah biked the following number of miles in four days. How many miles would she need to bike on the fifth day to have a mean of 5.2 miles per day?
6, 3, 4, 3

mean*5= sum of days
5.2*5=6+3+4+3+X
posted by anna on .
Hannah biked the following number of miles in four days. How many miles would she need to bike on the fifth day to have a mean of 5.2 miles per day?
6, 3, 4, 3
mean*5= sum of days
5.2*5=6+3+4+3+X