Answer:
1.5 Miles per Week
Step-by-step explanation:
So first you can take 50% and turn it into a decimal 0.50
Then you times it by how much he ran this month
3x0.50=1.5
40 because 3+6+12 = 21 and 8+11+21 =40
55 ft... The ladder must extend 55ft
simple
t=b×h/2 and p= b×h
