An arborist needs to stabilize a tree with 3 ropes. Each rope will be tied around the tree at a height of 6. The ropes will be staked out 6' from the base of the tree. How much
rope in total does the arborist need?
А
25.5
B
8.5'
C 17'
18'
E Not enough information

1.125 =x

Step-by-step explanation:

We can use ratios to find the  time

We want to find the time needed to finish

1 - 2/5 = 3/5  We need the time for 3/5 of the project

3/4 hours        x hours

=

2/5 project       3/5 project

Using cross projects

3/4 * 3/5 = 2/5 * x

9/20 = 2/5x

Multiply each side by 5/2

9/20 * 5/2 = x

9/8 = x

1 1/8 =x

1.125 =x