Verified answer

Step-by-step explanation:

Number of words typed in 1 hour = 60 mins = 1080

Number of words typed in 1 min = 1080/60

Number of words typed in 18 min = 1080/60 × 18

108/6 × 18 = 18 × 18 = 324 words (Ans)

Answer:

steps for good health

clean environment

clean water