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avatar+1278 

Molly walks to Raven's house, which is 3 miles due east of her house. Then she and Raven walk to the library, which is 4 miles due north of Raven's house. Molly then walks home. If she averages walking 3 miles per hour, how long does Molly spend walking?

 

A) 1 hour and 40 minutes

B) 2 hours and 20 minutes

C) 3 hours

D) 4 hours

E) 5 hours

 Nov 6, 2019
 #1
avatar+105238 
+2

Her  route forms  a   3 - 4 - 5 right triangle

 

The perimeter  =  the total distance she walks =  12  (miles)

 

So

 

Distance Walked 

_______________   =    Time

 Rate  Walked

 

Can you  solve this, macabre  ???

 

 

cool cool cool

 Nov 6, 2019
 #2
avatar+1278 
+1

3 miles 1 hour

12 miles x hour

 

x = (12×1)/3 = 4

 

it's D

macabresubwoofer  Nov 6, 2019
edited by macabresubwoofer  Nov 6, 2019
edited by macabresubwoofer  Nov 6, 2019
 #3
avatar+105238 
0

Correct.....good job    !!!

 

 

 

 

cool cool cool

CPhill  Nov 6, 2019

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