+0  
 
0
30
1
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Including the endpoints, how many points with two integer coordinates lie on the line joining (0,25) and (160,0)?

 Jul 18, 2022
 #1
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+1

Slope =   ( 0 - 25)  / (160 - 0)  =  -25  /160  =   -5/32

 

y  changes by    -5  units  when x  changes by  32

 

The number of integer coordinates =  1 + (160/5)  =  1 + 32 =   33

 

 

cool cool cool

 Jul 18, 2022

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