Which amount is larger and by how much? A positive number A or the same number A decreased by 50% and then increased by 50% of the result? Please help.

a*(1 -0.5)*(1 +0.5) = 0.75a . . . . the original number "a" is larger

(a/(0.75a) -1) * 100% = 33 1/3% . . . . the original number is larger by 33 1/3% of the revised number

Step-by-step explanation:

Step-by-step explanation:

Initial number = a

Decrease by 50%

Increase by 50%

The difference between the initial and final numbers:

Percent difference:

47.28 or 47.2857143

step-by-step explanation:

you just divide 331 by 7 and you get that answer. ( i think so tho)