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.
If he walked his dog for 30 minutes today, and that is 15 more than before, he walked [tex] \frac{30}{30}+\frac{15}{30} =1.00+.50 [/tex] 1.00 + .50 = 1.50 1.50 = 150%, or A.
