Respuesta :

Step-by-step explanation:

Answer:

  1. 40% increase
  2. 50% increase
  3. 42.857142857% increase
  4. 50% decrease

1) 10%x2.50=0.25

0.25x4=1

2.50+1=3.50

2) 50%x0.50=0.25

0.50+0.25=0.75

3) probably wrong :D

4) 50%x10=5