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DiKsa [7]
3 years ago
5

Thomas observed that his friend blinked an average of three times every 15 seconds.

Mathematics
1 answer:
Nikitich [7]3 years ago
8 0

Answer:

<h2><u>13 blinks</u></h2>

Step-by-step explanation:

Step one:

given

number of blinks= 3

time taken to blink=15 seconds

the rate of blink is given as

rate= number of blinks/time taken

rate= 3/15

rate= 1/5 blinks per second, 0.2 blinks per second

Step two:

hence for a 65 second period, the number of blinks is

rate=number of blink/time

0.2=number of blink/9=65

cross multiply we have

number of blink=0.2*65

<u>number of blink=13 blinks</u>

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