NEED HELP! Making a scale model of earth were 1 mm is 20 km, how tall (in mm) would these measurements be:

22.5 km
2867 km
2266 km
1216 km

Question

NEED HELP! Making a scale model of earth were 1 mm is 20 km, how tall (in mm) would these measurements be:

22.5 km
2867 km
2266 km
1216 km

jim_thompson5910 · Answer

22.5 km:


(1 mm)/(20 km) = (x mm)/(22.5 km)

1/20 = x/22.5

1*22.5 = 20x

22.5 = 20x

20x = 22.5

x = 22.5/20

x = 1.125

So 22.5 km is represented by 1.125 mm on the scale model

jim_thompson5910 · Answer

You do the same with each measurement

anonymous · Answer

Oh Okay thanks! thats what i was doing but its huge! haha sorry! anyway thanks so much!

jim_thompson5910 · Answer

np