Don and Juan had a total of $$\(x\)$$ cherries, but then Don ate 27 fewer than $$\(x\)$$ cherries and Juan ate 11 fewer than $$\(x\)$$ cherries. If they each ate at least 10 cherries, and there was at least one cherry that wasn't eaten, then $$\(x=\)$$

A.
37
B.
38
C.
39
D.
49
Mathematics
Competition
Math League
Exam No:2020 First Round Grades 10-12 Year:2020 Question No:5

Answer:

A

Knowledge points:

G10-12 - Number Theory - Diophantine Equations

Solution:

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