Rate Time
Sarah 55 t - 2
Amy 45 t

Amy leaves a rest stop at 2 PM traveling west, at 45 miles per hour. Sarah leaves 2 hours later, also traveling west, but at 55 miles per hour. At what time will Sarah catch up with Amy?

You solve the problem by setting up the table and writing the equation 55(t - 2)= 45t. When you solve, you get 11. What is the answer to the problem?

A)
It will be 1 am when Sarah catches up to Amy.

B)
It will be 6 am when Sarah catches up to Amy.

C)
It will be 11 pm when Sarah catches up to Amy.

D)
It will take Sarah 11 ho

Question

Rate 	Time
Sarah 	55 	t - 2
Amy 	45 	t

Amy leaves a rest stop at 2 PM traveling west, at 45 miles per hour. Sarah leaves 2 hours later, also traveling west, but at 55 miles per hour. At what time will Sarah catch up with Amy?
	
You solve the problem by setting up the table and writing the equation 55(t - 2)= 45t. When you solve, you get 11. What is the answer to the problem?
	

A)
	It will be 1 am when Sarah catches up to Amy. 	
	

B)
	It will be 6 am when Sarah catches up to Amy. 	
	

C)
	It will be 11 pm when Sarah catches up to Amy. 	
	

D)
	It will take Sarah 11 ho

jim_thompson5910 · Answer

The solution t = 11 means it takes 11 hours from 2pm until Sarah catches Amy

11 hours from 2pm is 1 am

so Sarah catches Amy at 1 am