Question

3. At a local restaurant, the health inspector visits every 7 days, and the fire inspector visits every 12 days. (a) Make a table for the next 4 visits for each inspector. (b) In how many days will both inspectors visit on the same day

Answer 1

(a)______________________
             |   1   |   2   |   3   |   4   |
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Health   |   7   |  14  |  21  |  28  |
Fire       |  12  |  24  |  36  |  48  |
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(b) In 84 days, both inspectors will visit on the same day, because the LCM (least common multiple) of 7 and 12 is 84