= 1/8000000

=8000000 cm

=80 km

Fill in 80.

2. The distance on the map is 1, the actual distance is 30, and the distance on the map is 1 of the actual distance.

3. Solution: Use X grams of configurable pesticides.

5:x= 1: 1500

According to the product of the inner term, it is equal to the product of the outer term.

x=5* 1500

x=7500

7500 g =7.5 kg

A: 5 grams of liquid medicine can be mixed with 7.5 kilograms of pesticides.