Winding Rope Two motors are winding up rope.

 

The first motor can wind up rope at 2 feet per second,

 

and the second motor can wind up rope at 5 feet

 

per second.

 

(a) Write a simplified expression that gives the

 

length of rope wound by both motors in x seconds.

 

(b) Find the total length of rope wound up in 3 minutes.

 

(c) How many minutes would it take to wind up

 

2100 feet of rope by using both motors?

 

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2 Answers

a.   2x + 5x = 7x

b.   7(3) = 21 feet

c.  7x = 2100

x = 300 minutes
by Level 5 User (11.9k points)
Thank you for the fantastic answers!!
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