1. 5 : 2 = 40 : (b + 3) 2. 7 : 3 = 35 : ( c + 5) Dijawab dua”nya ya:” trims

Penjelasan dengan langkah-langkah:

= 5/2 = 40/b + 3

5b + 15 = 80

5b = 65

b = 13

7/3 = 35/c + 5

105 = 7c + 35

105 – 35 = 7c

70 = 7c

c = 10