About 32%
Work:
Add 10 and 8= 18
Add 5 and 4= 9
Multiply 9×18
162
Divide by 5
32.4
Round to nearest percent
32%
0.08x+0.075 (6000-x)=472.5
Solve for x
0.08x+450-0.075x=472.5
0.08x-0.075x=472.5-450
0.005x=22.5
X=22.5/0.005
X=4500 invested at 8%
In order to find the answer, you would need to divide 1,200 by 400, which equals 3. So, the average polar bear is 3 times larger in weight than the average black bear
30 x 2 = 60 min running
30 - 10= 20 min biking
30+60+20=110 min, or an hour and 50 minutes