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Elementary school math problem (the process of finding the answer) [urgent]
1。 90X6=360 km

360/90=6 (hours)

A: It will take six hours.

2.200x2 = 400km 200x3 = 600km 400+600 =1000km

1000/50=20 (minutes)

3.32÷2= 16 (cm)

The length of the rectangle is: 16÷8×5= 10 (cm).

The width of the rectangle is: 16÷8×3=6 (cm).

The ratio is 500: 1.

Then the actual length and width of the rectangle is: 10×500=5000 (cm) = 50m.

6×500=3000 (cm) = 30m。

Then the area of the rectangle is: 50×30= 1500 (square meter).

I got the answer first.