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cedric plans to ride his bicycle 2 miles to a park  and tthen ride several times around a loop in the park that is 5 miles long . then he'll ride the same way home. He wants to ride a total of at least  19 miles . he enquality  5t+4>19 models this situation , where t is the number of times cedric rides around the loop

 

solve the enquality . how many times does cedric need to ride around the loop

 

A 3 or more times

 

B :At most 3 times

 

C: At most 4 times

 

D 4 or more times

 Feb 28, 2019

Best Answer 

 #1
avatar+17275 
+3

5t+4 >19     subtract 4 from both sides of the equation

5t > 15         divide both sides by 5

t>3            Answer A

  Actually the equation SHOULD read 5t+4 >= 19   because if he rides EXACTLY 3 loops and to-from the park it would be exactly 19 miles

 Feb 28, 2019
edited by ElectricPavlov  Feb 28, 2019
 #1
avatar+17275 
+3
Best Answer

5t+4 >19     subtract 4 from both sides of the equation

5t > 15         divide both sides by 5

t>3            Answer A

  Actually the equation SHOULD read 5t+4 >= 19   because if he rides EXACTLY 3 loops and to-from the park it would be exactly 19 miles

ElectricPavlov Feb 28, 2019
edited by ElectricPavlov  Feb 28, 2019
 #2
avatar+251 
0

thanks

raziel305  Feb 28, 2019

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