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Lapatulllka [165]
3 years ago
10

PLEASE HELP SKJSDLFSKDJF

Mathematics
1 answer:
charle [14.2K]3 years ago
6 0

45 min is 3/4 of an hour, 3/4 0f 40 km/h=30 km

75km/h x 2hr=150km

=180km

Total time:3hr

180kh/3hr=60km/h

sorry if im wrong

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Step-by-step explanation:

Step 1:

The angle for a straight line is 180°. The sum of the angles in a triangle is 180°. These two statements are required to solve this problem.

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