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Alex Ar [27]
3 years ago
13

HELP WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 98 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!!!!!!!!!!!!!
At the middle school, the bell rings every 40 minutes to tell the students to change classes.
Across the street the clock above city hall chimes every 30 minutes. Both the school bell
and the clock ring at noon. When will both bells ring again at the same time? Use Prime Factorization
Mathematics
2 answers:
jekas [21]3 years ago
8 0
2:00 is when they will both ring next
solong [7]3 years ago
8 0

Hello.

The answer is:

First find Lcm of 40 and 30 that is 120 (2*2*2*3*5)

the convert 120 by divinding  by 30 = 120/30=4

So that means 2   hours later  (2 hours after 12) so the answer is  2 pm

Have a nice day

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