UnicornVibes07 UnicornVibes07

Today at 7:28 PM
Mathematics

Answered

Ratna , who is in Mumbai , telephones her brother Ravi in Ahmedabad and speaks for 89 seconds . She is charged Rs 1.20 for every 16 seconds or part of 16 seconds . There is also a service charge of Rs 2 / - . Study the bill carefully . How much will it cost Ratna if she speaks to Ravi for 3 minutes ?

A) 14.40
B) 16.40
C) 18.40
D) 20.40

Please give explanation of your answer , please .

Answer :

emelynkoh emelynkoh

Today at 7:33 PM

Answer:

16.40

Step-by-step explanation:

3 min-> 180 s

180÷16≈11

11+1=12

12x1.20=14.40

14.40 + 2 = 16.40

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