Thomas walked his dog for 30 minutes today ---- 15 more minutes than yesterday. Express as a percent his walking time today compared to his walking time yesterday. Round to the nearest percent.

150%
175%
200%
125%
On my test, it Says the answer is 200% could you explain how?

3 answers

30 min today, so 30-15=15 min yesterday.
30 is twice as much as 15, so 200%
Thank You!
Thanks for the help!! Oh and btw that was the shorter conversation I've ever seen in my life