Question

When A is increased by 20%,the result is 300.calculate the result if a is decreased by 20%

Answer 1

Answer:

let the no. increase x

x+ 20% =300

x+20/100=300

x+1/5=300

x=300-1/5

x=1499/5

x=299.999

let the no. decrease y

y-20%=300

y-1/5 =300

y=1501/5

y= 300.2