Thomas observed that his friend blinked an average of three times every 15 seconds. How many times should his friend blink in 65 second?

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

number of blink=13 blinks

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step-by-step explanation:

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i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.