Answer:

Step-by-step explanation:
Given
See attachment for ski trails
Required
Total length of
ski trails
From the attached figure, there are 3 skis with length 
So:
The total length is:

Express fraction as improper fraction




Answer:
2nd option is the correct one
Answer:
$84
Step-by-step explanation:
720x30=21600
21600/100=216
216=markdown (as a number instead of a percentage)
Now subtract that like this
720-216=504
504= sale price
Then do this
504-420=84
<em><u>Therefore it is $84</u></em>
<em><u /></em>
<em>Hope you understand!</em>
Answer:
She left a $2 tip
Step-by-step explanation:
0.2*25 = 5