Answer:
For a balanced seesaw, we have the following proportion:
r1/r2 = W2/W1
r1 = distance Jo is seated from center
W1 = Jo's weight = 65 lb
r2 = distance Tim is seated from center = 6 ft
W2 = Tim's weight = 78 lb
Plug in the numbers and solve for r1.
Step-by-step explanation:
Divide the amount he paid by the number of hours.
$79.80/(6 hours) = $13.30/hour
Answer:

Step-by-step explanation:
Use the Pyhagorean theorem:

We have

Substitute:

<em>subtract 49 from both sides</em>

Answer:
252
Step-by-step explanation: