Respuesta :

happydayseveryday

Answer:

D is correct

Step-by-step explanation:

The constant rate is 37.5 so

  • 6×37.5=225
  • 12×37.5=450
  • 20×37.5=750

Hope this helped. .

gam3rg1rl

Answer:

3. 9.07; 4. D)

Step-by-step explanation:

3. 11.25÷1.24=9.07

4. D) (450-225)÷(12-6)

225÷6=37.5 → this is for 1 day

Now to check whether it's true or not, 750-450=300; 20-12=8; 8×37.5=300

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