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April rides her bike up a hill for 3/4 miles in 1/8 of an hour.tim rides hos bike up hill for 2/3 mile in 2/9 of an hour . What is the unit rate of each rider

 Nov 24, 2014

Best Answer 

 #2
avatar+130466 
+5

April's Rate ...(3/4) mi / (1/8) hr = 6 mph

Tim's Rate ....( 2/3)mi / (2/9) hr = 3 mph 

 

 

 Nov 24, 2014
 #1
avatar+23254 
+5

Distance = Rate x Time

April:                                                                                Tim:

3/4 mi = (Rate) x (1/8 hr)                                               2/3 mi = (Rate) x (2/9 hr)

Divide both sides by (1/8 hr)                                           Divide both sides by (2/9 hr)

(3/4 mi) ÷ (1/8 hr)  =  Rate                                            (2/3 mi) ÷ (2/9 hr)  =  Rate

3/4 ÷ 1/8  =  3/4 x 8/1  =  6                                           2/3 ÷ 2/9  =  2/3 x 9/2  =  3

   Rate = 6 mi/hr                                                                    Rate = 3 mi/hr

 Nov 24, 2014
 #2
avatar+130466 
+5
Best Answer

April's Rate ...(3/4) mi / (1/8) hr = 6 mph

Tim's Rate ....( 2/3)mi / (2/9) hr = 3 mph 

 

 

CPhill Nov 24, 2014

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