Two-bell-A-and-B-rings-in-different-time-interval-Bell-A-rings-in-the-interval-of-8minutes-while-Bell-B-rings-in-the-interval-of-9minutes-If-the-two-bell-rings-together-for-the-first-time-when-t

Question Number 77607 by otchereabdullai@gmail.com last updated on 08/Jan/20

$$\mathrm{Two}\:\mathrm{bell}\:\mathrm{A}\:\mathrm{and}\:\mathrm{B}\:\mathrm{rings}\:\mathrm{in}\:\mathrm{different}\: \\ $$$$\mathrm{time}\:\mathrm{interval}.\:\mathrm{Bell}\:\mathrm{A}\:\mathrm{rings}\:\mathrm{in}\:\mathrm{the}\: \\ $$$$\mathrm{interval}\:\mathrm{of}\:\mathrm{8minutes}\:\mathrm{while}\:\mathrm{Bell}\:\mathrm{B}\:\mathrm{rings} \\ $$$$\mathrm{in}\:\mathrm{the}\:\mathrm{interval}\:\mathrm{of}\:\mathrm{9minutes}.\:\:\mathrm{If}\:\mathrm{the}\:\mathrm{two} \\ $$$$\mathrm{bell}\:\mathrm{rings}\:\mathrm{together}\:\mathrm{for}\:\mathrm{the}\:\mathrm{first}\:\mathrm{time}\: \\ $$$$\mathrm{when}\:\mathrm{the}\:\mathrm{time}\:\mathrm{is}\:\mathrm{10}:\mathrm{00am} \\ $$$$\left(\mathrm{a}\right)\:\mathrm{At}\:\mathrm{what}\:\mathrm{time}\:\mathrm{will}\:\mathrm{the}\:\mathrm{two}\:\mathrm{bell}\:\mathrm{ring} \\ $$$$\mathrm{together}\:\mathrm{again}. \\ $$$$\left(\mathrm{b}\right)\:\mathrm{State}\:\mathrm{and}\:\mathrm{explain}\:\mathrm{two}\:\mathrm{process}\:\mathrm{you}\: \\ $$$$\mathrm{will}\:\mathrm{use}\:\mathrm{to}\:\mathrm{help}\:\mathrm{SHS}\:\mathrm{student}\:\mathrm{to}\:\mathrm{solve}\: \\ $$$$\mathrm{the}\:\mathrm{problem}. \\ $$

Commented by petrochengula last updated on 08/Jan/20

$${find}\:{the}\:{LCM}\:{of}\:\mathrm{8}\:{and}\:\mathrm{9} \\ $$

Commented by otchereabdullai@gmail.com last updated on 08/Jan/20

$$\mathrm{Thus}\:\:\mathrm{72} \\ $$

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