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For how many integer values of $M$ is $\frac{M}{30}$ strictly between $\frac{1}{3}$ and $\frac{3}{5}$?

 Mar 13, 2021

Best Answer 

 #1
avatar+31281 
+1

1/3 =   10 / 30         3/5 = 18/30

 

 

so you are looking at  M   between   10   and   18    ( non-inclusive)        11 12 13  14  15  16  17     <======== how many is that?

 Mar 13, 2021
 #1
avatar+31281 
+1
Best Answer

1/3 =   10 / 30         3/5 = 18/30

 

 

so you are looking at  M   between   10   and   18    ( non-inclusive)        11 12 13  14  15  16  17     <======== how many is that?

ElectricPavlov Mar 13, 2021
 #2
avatar+311 
0

at least 3

Varxaax  Mar 13, 2021

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