Ask Question
18 July, 08:06

Planets a, b and c orbit a certain star once every 3, 7, and 18 months respectively. if the three planets are now in the same straight line, what is the smallest number of months that must pass before they line up again?

+5
Answers (1)
  1. 18 July, 08:55
    0
    Basically, what is the smallest number which all can multiply to

    3=3

    7=7

    18=2*3*3

    2*3*3*7=126

    answer is 126 months
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Planets a, b and c orbit a certain star once every 3, 7, and 18 months respectively. if the three planets are now in the same straight ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers