Question

a positive number a or the same number a decreased by 50 percent and then increased by 50 percent of the result

Answer 1

Let's say the number is 100, if it decreases by 50% it would be 50. Then if it decreases again by 50% then it would be 25. Hope this helps!

Explanation:

Answer 2

0.75a

Explanation:

You want the result of a number 'a' being decreased by 50%, then increased by 50%.

Multiplier

The multiplier of the number is (1 + %change).

a(1 -50%) = 0.50a . . . . . . decreased by 50%

(0.50a)(1 +50%) = 0.75a . . . . . then increased by 50%

The result of the two changes by 50% is 0.75a.

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