Respuesta :

Step-by-step explanation:

for the hearts and demands it's 3 hearts to 5 diamonds, 6 hearts to 10 diamonds, 12 hearts to 20 diamonds

for 2.

3 pencil to 2 pen, 6 pencil to 4 pen , 12 pencil to 8 pen
For 1. 3:4 6:8 and 9:12
For 2. 3:2 6:4 9:6
Hope this helps!