Respuesta :

Answer:

  1. 414
  2. 432

Step-by-step explanation:

Problem 1

Start with 360

360

Increase by 15%

⇒ 360 (1 + 15%)

⇒ 360 (1 + 0.15)

⇒ 360 (1.15)

414

Problem 2

Start with 480

480

Decrease by 10%

⇒ 480 (1 - 10%)

⇒ 480 (1 - 0.1)

⇒ 480 (0.9)

432