On the planet Oberon, the number of months in an Oberon year is twice the number of days in a month. If there are 1800 days in an Oberon year, how many months are there in an Oberon year? (Assume there are equal number of days in every month in an Oberon year.)

A.
15
B.
30
C.
60
D.
120
Mathematics
Competition
Math League
Exam No:2021 First Round Grade 5 Year:2021 Question No:35

Answer:

C

Knowledge points:

G5 - Algebra - Pre-Algebra Equations (Missing Number)

Solution:

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