Question

If 30% of the total army troop are officers and 280 are soldiers.find the number of officer.​

Answer 1

400 total .... 120 officers

Explanation:

.7 X = 280

x=400

Answer 2

30% of 280 is 84.

What I did to find the answer was multiply 280 by 3 then divide by 10.

I checked it with a calculator and got the same result being 84.