Sagot :
Answer:
⇒N = 30
Solution and Explanation:
20 :15=15:40
→ 20/15 = 40/N ⇔ make in fraction and cross multiply
→20N/20 = 600/20 ⇔ divide both side by 20 and cancelled out 20
20 :15=15:40
→ 20/15 = 40/N ⇔ make in fraction and cross multiply
→20N/20 = 600/20 ⇔ divide both side by 20 and cancelled out 20