Respuesta :

Answer:

h = 63     P = 160/7

Step-by-step explanation:

2/3 h = 42

÷2/3   ÷2/3    Divide by 2/3 on both sides

h = 63

7/8 P = 20

÷7/8    ÷7/8    Divide by 7/8 on both sides

P = 160/7