Together 5930

Vlado ate 1/5 of the candies. Marek ate 1/3 of the sweets, and Susan ate 21 candies. How many candies were together?

Correct answer:

n =  45

Step-by-step explanation:

1/5 n + 1/3 n + 21 = n

1/5·n + 1/3·n + 21 = n

7n = 315

n = 315/7 = 45

n = 45

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