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09-05-2024
Mathematics

Answered

1)Two people on bicycles came out from cities A and B, 48 km apart. Cyclist 1 left 30 minutes earlier than Cyclist 2 and traveled 4 km/h slower. If they meet in the middle of the road, find their speed.

2)The boat left the port and returned after traveling 30 km downstream. On the way back, it took 20 minutes more than going upstream. If the speed of the river is 0.7 km/h, find the speed of the boat.

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