Xavier exercises by riding his bike. during his first week of training, he rides a total of 15 miles. each week he increases the number of miles biked by 0.4 miles. how many total weeks will it take xavier to first bike more than 500 miles total? 8 15 19 26

26  weeks

Step-by-step explanation:

During his first week of training, he rides a total of 15 miles.

We are given that Each week he increases the number of miles biked by 0.4 miles

So, This forms an AP

First term = a = 15

Common difference = d = 0.4

We are supposed to find How many total weeks will it take Xavier to first bike more than 500 miles total

Formula :

Since no. of weeks cannot be negative

So, it take Xavier 26 weeks to first bike more than 500 miles total.

13.46

step-by-step explanation:

16.80 x .20 = 13.46