CASTROGRACE0107GO
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A bell rings overy 20 seconds while a hom blows every 15 seconds. If you heard the two sounds at 8:00 a.m., at what time will you hear the sounds together again?


a.What is asked in the problem?
b.What facts are given?
c.How will you solve the problem? D.Show your solution.
E.What is the answer to the problem?​

Sagot :

AGBOIIGO

Answer:

a.What is asked in the problem?

  • at what time will you hear the sounds together again?

b. what facts are given?

  • Bell rings every 20 seconds
  • Hom rings every 15 seconds

c.How will you solve the problem?

  • By getting their LCM and add the LCM to the time

D.Show your solution.

Prime factorization:

20 = 2 × 2 × 5

15 = 3 × 5

  • LCM = 2 × 2 × 3 × 5 = 60seconds

Then we will add 60 seconds or 1 minute to the time they started

  • 8:00 am + 0.01 = 8:01 am

E.What is the answer to the problem?

  • They will be heard again at 8:01 am

ALEX2SEXYGO

Answer:

a. at what time will you hear the sounds together again?

b.

  • bell rings overy 20 seconds
  • hom blows every 15 seconds

c. By getting their LCM and add the LCM to the time.

d.

  • 20 = 2 × 2 × 3 × 5 = 60 seconds

E.

They will be heard again at 8:01 am

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