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avatar+229 

720 seconds { 1 hour/60 minutes)=12 hours

 

what conversion ratio did he skip in this multiple  - step conversion

 

A 1hour/60 Minutes

 

B 1minutes/60 seconds

 

C 60 minutes/1hour

 

D 60 seconds/1 minute

 Mar 5, 2019
 #1
avatar+439 
-5

Option  C remeber we need to work our way up units here is also a unit multiplier chart for refrence  

 

 

 

 

1 ft = 12 in 

1m = 100 cm 

1yd = 3ft 

1cm = 10mm 

1in = 2.54 cm 

1mi = 5280 ft 

1km = 1000 mm 

1mi = 63360 in

 Mar 5, 2019
 #2
avatar+104627 
+1

720 seconds x  1 hr  / 60 min    x  1 min / 60 sec

 

720 / 3600 hrs  =  1/5 hr

 

Note....720 seconds isn't 12 hrs....it is  (1/5) hr  = 12 min

 

"B" is correct

 

cool cool cool

 Mar 5, 2019

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