1.

Solve this urgently please ​

Answer»

Answer:

100 km

Step-by-step explanation:

let TOTAL distance be x

so 25 km/h for x/4 km and 50 km/h for 3x/4 km

total TIME is 2.5 hours. so,

(x/4)/25 + (3x/4)/50 = 2.5

solve to GET x



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