What is n÷2-3n÷4+5n÷6=21 – InterviewSolution

1.

What is n÷2-3n÷4+5n÷6=21

Answer»

Answer:

n = 36

Step-by-step EXPLANATION:

n/2 - 3n/4 + 5n/6 = 21

LCM of 2,4 and 6 = 12

= 6n/12 - 9n/12 + 10n/12 = 21

= 6n - 9n + 10n/12 = 21

= 7n/12 = 21

= 7n = 21 X 12

= 7n = 252

= n = 252/7

= n = 36

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