Question

laboratory assignstants-y.
240*+ 200 y = 120000
39. During his holiday, Jun Wei went on a road trip from Berlin to Prague. He travelled part of the
journey at a speed of 90 km/h and the rest at 80 km/h. Given that Jun Wei travelled a total distance of
690 km in 8 hours, form a pair of simultaneous equations to find the distance that he covered at 80 km/h.
->
90x8 80x8
pore=640

Answer 1

Answer:

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