If tammy walks 4/5 of a mile each day, how many miles will she walk in 1 week?

I think the answer would be 5.6 in decimal form. Fraction form would be 3/5 then simplify and we get 5 3/5. In percent form would be 560% since 5.6 x 100 = 560 then add the % sign. How did I get this answer? Well u said 4/5 miles each day, 1 week = 7 days, soo I just did this.

day 1 - 4/5
day 2 - 4/5
day 3 - 4/5
day 4 - 4/5
day 5 - 4/5
day 6 - 4/5
day 7 - 4/5

So from all that I just did 4/5 miles each day times (x) 1 week (7 days) and got 5.6.

Hope this helps.

Iam thinking the answer is a.) knew