Light-years

Planet X is ten light-years away from Earth. Planet Y is 8 1/2 light-years away from Earth. How much farther away is Planet X?

Final Answer:

a =  1 12 = 3/2 ly

Step-by-step explanation:

X=10 ly Y=821=8+21=28 2+1=216+1=217=8.5 ly  a=XY=10217=210 2217=220217=22017=23=23 ly=121 ly=1.5 ly



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Need help with mixed numbers? Try our mixed number calculator.
Do you want to convert length units?

You need to know the following knowledge to solve this word math problem:

arithmeticnumbersUnits of physical quantitiesGrade of the word problem

Related math problems and questions: