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fenix001 [56]
3 years ago
5

Which amount is larger and by how much?

Mathematics
2 answers:
Solnce55 [7]3 years ago
3 0

Answer:

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:

Katena32 [7]3 years ago
3 0

Answer:

  • a is larger by 33.33%

Step-by-step explanation:

Initial number = a

<u>Decrease by 50% </u>

  • a - 50% =
  • a - 0.5a =
  • 0.5a

<u>Increase by 50%</u>

  • 0.5a + 50% =
  • 0.5a + 0.5*0.5a =
  • 0.75a

<u>The difference between the initial and final numbers:</u>

  • a - 0.75a = 0.25a

<u>Percent difference:</u>

  • (0.25a/0.75a)*100% = 33.33%
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