A bell tolls at a regular interval of 20 minutes. A second bell tolls at
a regular interval of 50 minutes. They toll together at 3 p.m. At what
time will they next toll together?
Answers
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Step-by-step explanation:
A bell - 20 min.
B bell - 50min
So.
together bell time =lcm of both time
lcm of20-50 is 100
so after 100.min they bell together
Means.... at 4:40pm
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