Nitish Kumar® dan repost
81/x-y +208/x+y = 11.........1. *5
192/x+y+45/x-y. = 17/2......2 *9
equation 1+2
688/x+y = 21.5
X+Y = 32km/h
87/x-y +208/32 = 11
81/x-y +6.5= 11
81/x-y = 4.5
X-Y= 18
1 statement
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X= 25km/h
Y= 7Km/h
(25-7)*100/7
1800/7%✅........... 1
2 statement
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3 statement
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96/x+y + 58.5/x-y = 6+1/4
X= 25
Y = 7
96/32 + 58.5/18
6hrs 15 minutes ✅....... 2
3 statement
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24/22-14 + 108/22+14
24/3 + 108/36
6 hrs✅............ 3
All I, II and III ✅