Question

the number of workers in a company is increased by 12% and 15% in two successive years.if the present strength is 6440. what was the strength two years ago.​

Answer 1

Answer:6020

Step-by-step explanation:

Answer 2

Answer:

let the no of workers be 100 at 2 years ago

12% of 100 =112

and 15%of 112=128.8

6440(present year strength)

workers     strength

128.8           6440

100                  x

cross multiply;

128.8*x=6440*100

x=5000

Step-by-step explanation: