I think Ju Chan means minus 15 each time so it’s just 15 times four which equals 60 meters
2. The scale is 3 inches = 2 feet.
Divide total inches by 3, then multiply by 2:
30 / 3 = 10
10*2 = 20 feet.
3. Divide the 9cm by 3cm, then multiply by 8 km
9/3 = 3
3*8 = 24 kilometers.
4. Divide real distance by distance on map:
36 / 4 = 9
1 inch = 9 miles
5. Divide real dimension by the drawing dimension:
21 meters / 3 centimeters = 7
1 cm = 7 meters
Answer: Not sure what they are looking for answer wise, but diameter is the distance from the center of a circle to the edge of the circle. It is half the radius.
Step-by-step explanation:
Answer: 8:9
Step-by-step explanation: