Question

Michael is training for a 10 mile race. During the first week, he runs 2 miles. Each week he runs one and a half times what he ran the previous week. If he only runs once a week, how many total miles has he run by the 5th week?

A) 10.13 miles
B) 15.19 miles
C) 16.25 miles
D) 26.38 miles

Answer 1

A, first week: 2, second week: 2*1.5=3, third week: 3*1.5=4.5, fourth week= 4.5*1.5=6.75, fifth week: 6.75*1.5=10.125 and you round up to get 10.13

Answer 2

D) 26.38

Explanation:

Multiply each week by 1.5 and it says total, so add all the number up to get 26.38