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Dmitrij [34]
2 years ago
15

A grasshopper chirp 25 times in 15 seconds. How many times were a grasshopper chirp in two hours

Mathematics
2 answers:
olya-2409 [2.1K]2 years ago
7 0

Answer:

200

Step-by-step explanation:

info we are given :

25 chirps per 15 second.

1 hour: 60 minutes since we are trying to find out 2 hours it will be 60+60=120

now divide by 15 and times by 8 (8 x 25)

Mumz [18]2 years ago
3 0

Answer:

2 hours = 7200 seconds

7200/15 = 480

25x480 = 12000 chirps in 2 hours

Step-by-step explanation:

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Remark

You could convert base two to base 10 and then convert base 10 to base 8. That's the long way. The procedure below is the short way.

Step One

Write the base 2 number in groups of 3 starting from the right and going left

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Step Two

Convert the base 2 numbers in groups of 3 to base 8. The largest result will be a 7

11 = 2*1 + 1 = 2 + 1 = 3

100 = 1*2^2 = 4

111 = 1*2^2 + 1*2 + 1 = 7

Step Three

Read the answer going down.

347 is the answer

Answer

347(8) = C


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